@article{zu26559, title = {??????? ???????? ?? ????? ?????? ???????? ?????}, author = {?. ?. ????? and ?. ?. ?????}, publisher = {???????: ???-?? ??? ??. ?. ?????}, year = {2010}, pages = {127--129}, journal = {????????? ?????????????? ???????? ??????????? ?????? ??????? ????? ? ??????????? ???????}, url = {http://eprints.zu.edu.ua/6559/} }