@article{zu25045, number = {56}, title = {??????????????? ?????? ? ???????? ??????????? ????}, author = {?. ?. ???????????}, year = {2011}, pages = {144--148}, journal = {?????? ????????????? ?????????? ???????????? ????? ????? ??????}, url = {http://eprints.zu.edu.ua/5045/}, abstract = {?????? ?????????? ??????? ????- ?? ????????????????? ?????? ????? ?????? ???????? ??????????? ????. ? ??? ????????????? ????? ??????? ?? ?????????? ???????????, ?? ?????? ???????, ????????????? ?? ??????? ???????, ???????? ?????????. ????? ????????? ?????????? ????????? ?? ?????????? ?????????????? ????????????????? ???????; ??????? ????????? ??????; ??????????????????? ????????, ??? ????????????? ?????????? ???????????.} }