@article{zu223788,
          volume = {52},
          number = {6},
           title = {??????-????????????? ??????????? ?????? (??)? ????????? ???? ????? ??????????????? ???????????????? ?????????? ???????? ? ???????},
          author = {?. ?. ???????? and ?. ?. ???????? and ?. ?. ?????? and ?. ?. ????????? and ?. ?. ?????},
            year = {1986},
           pages = {634--637},
         journal = {?????????? ?????????? ??????},
             url = {http://eprints.zu.edu.ua/23788/}
}