@article{zu26558, title = {??????????? ???????????? ?????? ? ?????? ???????? ?????}, author = {????????? ???????}, publisher = {???????: ???-?? ??? ??. ?. ??????}, year = {2010}, pages = {129--132}, journal = {????????? ?????????????? ???????? ??????????? ?????? ??????? ????? ? ??????????? ???????}, url = {http://eprints.zu.edu.ua/6558/} }