@article{zu22116, number = {16}, title = {???????? ?? ??????? ? ??????? ?????? ??????}, author = {?. ?. ?????????????}, year = {2004}, pages = {199--201}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/2116/}, abstract = {? ?????? ????????????? ?????????? ?? ???? ? ?????? ??????? ?. ??????.} }