@article{zu223294,
           title = {????????-?????? ?????? ????????????? ?????????},
          author = {?. ?. ?????},
            year = {2003},
           pages = {49--53},
         journal = {??????? ??????? ? ??????? : ????? XIII-? ??????????? ???????? ???????????},
        keywords = {???????????? ????????, ??????, ?????, ????????? ??????????},
             url = {http://eprints.zu.edu.ua/23294/}
}