@article{zu26626, title = {????? ??????? ????? ? ???? ??????????? ??????}, author = {???? ?????}, year = {2010}, pages = {83--90}, journal = {????????? ?????????????? ???????? ??????????? "????? ??????? ????? ? ??????????? ??????", ???????.}, url = {http://eprints.zu.edu.ua/6626/} }