@article{zu213721,
           title = {???????????? ?????? ????????? ?????????? ???????? ? ??????? ?????????????? ??????},
          author = {?. ?. ??????},
       publisher = {???-?? ??? ????? ????? ??????},
            year = {2011},
           pages = {223--226},
         journal = {?????? ? ???????? ?????????? ????????? ???????? ?? ???????????? ??? : ??. ?????????? ???????????},
             url = {http://eprints.zu.edu.ua/13721/}
}