@article{zu24235, number = {51}, title = {????????????? ?? ???????????? ???????? ??????????? ???????????? ??????}, author = {?. ?. ???????}, year = {2010}, pages = {206--209}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/4235/}, abstract = {? ?????? ????????????? ??????? ?????? ?????????????? ?? ????????????? ?????? ??????????? ?????? ????? ??????, ? ????? ???????????? ????? ???????????? ??????. ???????? ????? ????????? ???? ??????????? ?? ??????????? ? ?????????? ????? ???????????? ??????.} }