@article{zu2290,
          number = {2},
           title = {??????????? ????? ?? ????? ???????-?????????? ?????? ? ?????????? ????},
          author = {?. ?. ????????},
            year = {1998},
           pages = {113--118},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/290/},
        abstract = {?? ?????? ????????? ? ????????? ???????? ?????????? ????? ?????????? ??????? ???????????? ????? ?? ?????, ??? ???? ?? ??? ? XIII ? ?????? ???????? XVI ??.
}
}