@article{zu223330,
          number = {20},
           title = {? ??????? ?? ??????????????? ??????? ???????},
          author = {?. ?. ????????},
       publisher = {??????},
            year = {1999},
           pages = {84--92},
         journal = {??????? ??????},
             url = {http://eprints.zu.edu.ua/23330/},
        abstract = {? ?????? ????????????? ??????? ?????????? ? ????????????????? ??????? ? ????????? ? ??????????? ?????????, ??????????????? ????????? ???? ????????????? ??????????? ?????????.}
}