@article{zu26664, title = {????????? ???????????????? ? ????????????????? ??????? ?? ?????? ???????????? ?????????? ??????????? ???????}, author = {?. ?. ???????}, year = {2003}, pages = {232--233}, journal = {????????? VII ?????????????? ????????? "??????????? ??????????? ????? ? ????? ??? ?????}, url = {http://eprints.zu.edu.ua/6664/} }