diff --git a/src/main/java/ru/ulstu/paper/controller/PaperController.java b/src/main/java/ru/ulstu/paper/controller/PaperController.java
index e2b85f2..2d92a93 100644
--- a/src/main/java/ru/ulstu/paper/controller/PaperController.java
+++ b/src/main/java/ru/ulstu/paper/controller/PaperController.java
@@ -2,9 +2,6 @@ package ru.ulstu.paper.controller;
 
 import io.swagger.v3.oas.annotations.Hidden;
 import jakarta.validation.Valid;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.ModelMap;
 import org.springframework.validation.Errors;
@@ -19,21 +16,16 @@ import ru.ulstu.paper.model.AutoCompleteData;
 import ru.ulstu.paper.model.Paper;
 import ru.ulstu.paper.model.PaperDto;
 import ru.ulstu.paper.model.PaperListDto;
-import ru.ulstu.paper.model.ReferenceDto;
 import ru.ulstu.paper.service.LatexService;
 import ru.ulstu.paper.service.PaperService;
 import ru.ulstu.user.model.User;
 
 import java.io.IOException;
-import java.net.URLEncoder;
 import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.List;
 import java.util.stream.Collectors;
 
-import static java.nio.charset.StandardCharsets.UTF_8;
-import static org.springframework.util.StringUtils.isEmpty;
-
 
 @Controller()
 @RequestMapping(value = "/papers")
@@ -76,7 +68,7 @@ public class PaperController {
     }
 
     @GetMapping("/paper")
-    public void getPapers(ModelMap modelMap, @RequestParam(value = "id") Integer id) {
+    public void getPaper(ModelMap modelMap, @RequestParam(value = "id") Integer id) {
         if (id != null && id > 0) {
             modelMap.put("paperDto", paperService.findOneDto(id));
         } else {
@@ -107,15 +99,6 @@ public class PaperController {
         return "/papers/paper";
     }
 
-    @PostMapping(value = "/paper", params = "addReference")
-    public String addReference(@Valid PaperDto paperDto, Errors errors) {
-        if (errors.hasErrors()) {
-            return "/papers/paper";
-        }
-        paperDto.getReferences().add(new ReferenceDto());
-        return "/papers/paper";
-    }
-
     @ModelAttribute("allStatuses")
     public List<Paper.PaperStatus> getPaperStatuses() {
         return paperService.getPaperStatuses();
@@ -140,29 +123,6 @@ public class PaperController {
         return years;
     }
 
-    @ModelAttribute("allFormatStandards")
-    public List<ReferenceDto.FormatStandard> getFormatStandards() {
-        return paperService.getFormatStandards();
-    }
-
-    @ModelAttribute("allReferenceTypes")
-    public List<ReferenceDto.ReferenceType> getReferenceTypes() {
-        return paperService.getReferenceTypes();
-    }
-
-    @PostMapping("/generatePdf")
-    public ResponseEntity<byte[]> getPdfFile(PaperDto paper) throws IOException, InterruptedException {
-        HttpHeaders headers = new HttpHeaders();
-        headers.add("Content-Disposition", "attachment; filename='" +
-                URLEncoder.encode(paper.getTitle() + ".pdf", UTF_8.toString()) + "'");
-        return new ResponseEntity<>(latexService.generatePdfFromLatexFile(paper), headers, HttpStatus.OK);
-    }
-
-    @PostMapping("/getFormattedReferences")
-    public ResponseEntity<String> getFormattedReferences(PaperDto paperDto) {
-        return new ResponseEntity<>(paperService.getFormattedReferences(paperDto), new HttpHeaders(), HttpStatus.OK);
-    }
-
     @ModelAttribute("autocompleteData")
     public AutoCompleteData getAutocompleteData() {
         return paperService.getAutoCompleteData();
@@ -170,7 +130,7 @@ public class PaperController {
 
     private void filterEmptyDeadlines(PaperDto paperDto) {
         paperDto.setDeadlines(paperDto.getDeadlines().stream()
-                .filter(dto -> dto.getDate() != null || !isEmpty(dto.getDescription()))
+                .filter(dto -> dto.getDate() != null || !dto.getDescription().isEmpty())
                 .collect(Collectors.toList()));
     }
 }
diff --git a/src/main/java/ru/ulstu/paper/model/Paper.java b/src/main/java/ru/ulstu/paper/model/Paper.java
index 74141f9..d525fa7 100644
--- a/src/main/java/ru/ulstu/paper/model/Paper.java
+++ b/src/main/java/ru/ulstu/paper/model/Paper.java
@@ -17,6 +17,7 @@ import jakarta.persistence.TemporalType;
 import jakarta.validation.constraints.NotBlank;
 import org.hibernate.annotations.Fetch;
 import org.hibernate.annotations.FetchMode;
+import org.springframework.format.annotation.DateTimeFormat;
 import ru.ulstu.conference.model.Conference;
 import ru.ulstu.core.model.BaseEntity;
 import ru.ulstu.core.model.EventSource;
@@ -94,10 +95,12 @@ public class Paper extends BaseEntity implements UserActivity, EventSource {
 
     @Column(name = "create_date")
     @Temporal(TemporalType.TIMESTAMP)
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss.SSSXXX")
     private Date createDate = new Date();
 
     @Column(name = "update_date")
     @Temporal(TemporalType.TIMESTAMP)
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss.SSSXXX")
     private Date updateDate = new Date();
 
     @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.LAZY)
diff --git a/src/main/java/ru/ulstu/paper/model/PaperDto.java b/src/main/java/ru/ulstu/paper/model/PaperDto.java
index 96d2e75..f2dbcb3 100644
--- a/src/main/java/ru/ulstu/paper/model/PaperDto.java
+++ b/src/main/java/ru/ulstu/paper/model/PaperDto.java
@@ -5,6 +5,7 @@ import com.fasterxml.jackson.annotation.JsonProperty;
 import jakarta.validation.constraints.NotEmpty;
 import jakarta.validation.constraints.Size;
 import org.apache.commons.lang3.StringUtils;
+import org.springframework.format.annotation.DateTimeFormat;
 import ru.ulstu.core.model.BaseEntity;
 import ru.ulstu.deadline.model.Deadline;
 import ru.ulstu.file.model.FileDataDto;
@@ -27,7 +28,9 @@ public class PaperDto {
     private String title;
     private Paper.PaperStatus status;
     private Paper.PaperType type;
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss.SSSXXX")
     private Date createDate;
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss.SSSXXX")
     private Date updateDate;
     @NotEmpty
     private List<Deadline> deadlines = new ArrayList<>();
diff --git a/src/main/java/ru/ulstu/paper/service/PaperService.java b/src/main/java/ru/ulstu/paper/service/PaperService.java
index 9e02113..e53f41d 100644
--- a/src/main/java/ru/ulstu/paper/service/PaperService.java
+++ b/src/main/java/ru/ulstu/paper/service/PaperService.java
@@ -103,7 +103,7 @@ public class PaperService {
     }
 
     public PaperDto findOneDto(Integer id) {
-        return new PaperDto(paperRepository.getOne(id));
+        return new PaperDto(paperRepository.findById(id).orElseThrow());
     }
 
     @Transactional
diff --git a/src/main/resources/templates/papers/paper.html b/src/main/resources/templates/papers/paper.html
index 6820984..1343b13 100644
--- a/src/main/resources/templates/papers/paper.html
+++ b/src/main/resources/templates/papers/paper.html
@@ -32,6 +32,8 @@
                         <div class="row">
                             <div class="col-md-7 col-sm-12">
                                 <input type="hidden" id="paperId" name="id" th:field="*{id}"/>
+                                <input type="hidden" name="createDate" th:field="*{createDate}"/>
+                                <input type="hidden" name="updateDate" th:field="*{updateDate}"/>
                                 <div class="form-group">
                                     <label for="title">Название:</label>
                                     <input class="form-control" id="title" type="text"