@article{zu2845,
          number = {19},
           title = {?????? ? ?????},
          author = {?. ?. ??????????},
            year = {2004},
           pages = {238--242},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/845/},
        abstract = {? ?????? ????????????? ????????? ?????? ??????? ???????? ? ???????????? ??????????? ?? ???? ???????????? ? ????????? ??????????????? ????????.}
}