@article{zu223789,
          volume = {56},
          number = {8},
           title = {??????-????????????? ??????????? ???????? ? ???? ????? ??????????????? ???????????????? ? - ?????????????? ???????? ? ?????????????},
          author = {?. ?. ????? and ?. ?. ????????? and ?. ?. ???????? and ?. ?. ????????},
            year = {1990},
         journal = {?????????? ?????????? ??????},
             url = {http://eprints.zu.edu.ua/23789/}
}