@article{zu212711,
           title = {????? ? ????????? ????? ??????? (?.??????? ??? ???? ????? ? ????????? ????? ???????)},
          author = {?. ?. ??????????},
       publisher = {???????? ???????: ????? ????????? ?? ???????????. ???. ?. ? ?????????-???????????: ?????????-??????????? ????????? ???????????, ????????????-?????????? ??????, 2003.},
            year = {2003},
           pages = {57--61},
         journal = {???? ??????? ? ??????? ????? ?? ??????},
             url = {http://eprints.zu.edu.ua/12711/}
}