@article{zu22213,
          number = {21},
           title = {????? ???????? ??????? ?? ???????? ?? ??????????? ???? ? ???},
          author = {?. ?. ??????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2005},
           pages = {149--151},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/2213/},
        abstract = {? ?????? ???????? ??????? ???????????? ?????????????? ????????? ?? ???????? ? ??????????? ???? ?? ????????????? ??????????.}
}