@article{zu26301, number = {21}, title = {??????? ????????????? ???????? ?????????? ??????? ? ????? ???? (???????)? ?????? ????????}, author = {?. ?. ??????}, publisher = {???????: ???-?? ??? ??. ?.??????}, year = {2010}, pages = {176--182}, journal = {??????-???????????: ????????-???????????? ??????? ? ???????????? ???????}, url = {http://eprints.zu.edu.ua/6301/} }