@article{zu21711,
          number = {33},
           title = {????????????? ??????? ? ?????? ?????????????????? ?? ????????},
          author = {?. ?. ??????????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2007},
           pages = {142--145},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1711/},
        abstract = {? ?????? ?????????? ??????????? ?????????????? ????????, ??? ????????? ? ????? ???????????? ????????? ??????-?????????? ? ????????? ???????? ??? ???? ?????????. ?????????????? ?????????? ??????? ???????????, ????????? ???? ? ???? ??????????. ????? ?????? ?????????? ?????????????? ????? ??????????, ??? ??????? ???? ??????????????.}
}