@article{zu2660,
          number = {4},
           title = {? ??????? ?????????????????? ???????? ???????????????},
          author = {?. ?. ???????},
            year = {1999},
           pages = {77--79},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/660/},
        abstract = {??????? ??? ????? ???????? ? ??????????? ? ???????? ?????????? ?????????? ????????? ????, ????????? ???? ???????????????? ???????? ????? ?????????? ???????? ??????????.}
}