@article{zu21991,
          number = {22},
           title = {?????????????? ?? ?????????-??????????? ????????},
          author = {?. ?. ??????},
       publisher = {???-?? ??? ??. ?.??????},
            year = {2005},
           pages = {140--142},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1991/},
        abstract = {? ?????? ???????????? ??????? ???????? ????????? ??????????????, ? ????? ???????? ???????????? ??????? ???????? ????? ?????????? ?????????????, ???????? ?? ????? ?? ??????????.}
}