@article{zu25709, title = {??????????? ????????????? ???????? ?????????? ?????????}, author = {?. ?. ???????? (?????????)}, year = {2007}, pages = {70--73}, journal = {????????? ??????? ????? ?? ????????: ?????????? ?? ??????????? ? 2007: ??????? ?????????? ??????????? ???????-?????????? ??????????? / ???.???. ? ???????, 2007. ? ?. 70-73}, url = {http://eprints.zu.edu.ua/5709/} }