@article{zu21748,
           title = {?????????? ? ???????????? ???????},
          author = {?. ?. ??????????? and ?. ?. ????????},
            year = {2007},
           pages = {154--157},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1748/},
        abstract = {? ?????? ?????????? ??????????? ??????????? ???????????? ??????? ? ?????? ??????????? ???????????. ?????????????? ???? ??????????? ???????? ????????? ?????????????? ???????? ? ??????? ????????? ????????????? ????????.}
}