@inproceedings{zu26282, booktitle = {?????????????????? ?? ?????????? ????????? ?????????????????? ? ??????? ????????????? ???????????????? ?? ?????????. ????????? ???????????? ????????? ????????}, title = {??????? ???????????? ????? ?????? ?. ???????? ? ??????? ??????????? ????? ?????? ???}, author = {?. ?. ????? and ?????? ???????????}, year = {2010}, pages = {142--146}, url = {http://eprints.zu.edu.ua/6282/} }