@article{zu26181, title = {??????????? ?????????????? ? ????????? ???? ????}, author = {?. ?. ?????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2009}, pages = {83--84}, journal = {????????? ?????????? ????????-??????????? ??????????? 21-22 ????????? 2008 ?.}, url = {http://eprints.zu.edu.ua/6181/} }