@article{zu217733,
          volume = {55},
          number = {4},
           title = {??????????? ? ???? ???????. ??????????? ???????????},
          author = {?. ?. ??????? and ?. ?. ??????},
            year = {1985},
           pages = {756--762},
         journal = {?????? ????? ?????},
             url = {http://eprints.zu.edu.ua/17733/}
}