@article{zu26950, volume = {1}, number = {203}, title = {????????????? ?? ????? ????????????? ????????? ???????????}, author = {?. ?. ??????????}, year = {2005}, pages = {217--221}, journal = {?????????: ???????? ?????? ?? ????????. ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/6950/} }