@article{zu21834,
          number = {13},
           title = {????????????? ?????????? ????????????? ?????? ?????? (?????? ??? ? ???. ?? ??.)},
          author = {?. ?. ???????},
            year = {2003},
           pages = {180--182},
         journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????},
             url = {http://eprints.zu.edu.ua/1834/},
        abstract = {????????? ??????????????? ?????? ?????????????? ?????????? ????????????? ?????? ?????? ????? ??? ? ???. ?? ??.}
}