@article{zu21217,
          number = {12},
           title = {???????????? ?????????? ?? ??????? ???????? ?????? ??????? ???????? ?????},
          author = {?. ?. ??????},
            year = {2003},
           pages = {253--256},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1217/},
        abstract = {? ?????? ????????????? ????? ???????????? ????????????? ?????????? ?? ???????? ??????? ?? ??????????? ?? ???????.}
}