@article{zu21431,
          number = {21},
           title = {???????? ?????????? ?????????? ? ??????? ????????????? ???????? ?????????? ?? ????????? ??????????? ?????},
          author = {?. ?. ?????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2005},
           pages = {251--253},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1431/},
        abstract = {? ?????? ????????????? ???????? ???????? ?????????? ?????????? ? ??????? ????????????? ???????? ?????????? ?? ????????? ??????????? ?????.}
}