@article{zu213792,
          volume = {49},
          number = {8},
          author = {?. ?. ?????? and ?. ?. ????????},
           title = {????????-???????? ???????? ????? ????????????????? ???????.},
       publisher = {??????????? ???????? ????},
         journal = {??????????? ???????????? ??????},
           pages = {1114--1125},
            year = {1997},
             url = {http://eprints.zu.edu.ua/13792/},
        abstract = {?????????? ??????????-??????? ??????? ??? ????? ??????????????? ???????, ??????? ?? ????? ????????? ???????? ??????????? ???????. }
}