@article{zu21521,
          number = {13},
           title = {?????????? ???????????????? ? ???????????? ????? (?? ???????? ???????? ????????? ???????????????? ??????? ???????????},
          author = {?. ?. ???????????},
            year = {2003},
           pages = {135--137},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1521/},
        abstract = {? ?????? ???????????? ?????? ???????????? ????????? ????????????? ?? ??????????????? ??????? ?? ???????? ???????? ?????????? ??????????? ?? ????????? ???????? ???????????.}
}