@article{zu223785,
          volume = {49},
          number = {6},
           title = {?????????? ??????? ??? ??????? ??? ??????????? ?????????? ???????????????? ?????? ????????},
          author = {?. ?. ????????? and ?. ?. ????? and ?. ?. ???????? and ?. ?. ????????},
            year = {1983},
           pages = {634--636},
         journal = {?????????? ?????????? ??????},
             url = {http://eprints.zu.edu.ua/23785/}
}