Review article
Scientific paper
443-455
291-303
141-150
1-11
1089–1102
975–983
Survey
937–957
959–974
825–840
811–824
715–727
589–601
577–587
705–713
467–479
481–494
355–365
223–235
123-139
1-9
113-121
1237-1244
1349-1358