@unpublished{zu23926, month = {?????}, title = {???????? ???????????? ??????? ?? ?????? ?????? ?? ????????? ???? ??????}, author = {????? ?????????? ?????????}, year = {2009}, keywords = {??????????????,????? ?? ??????, ????? ?? ????????.}, url = {http://eprints.zu.edu.ua/3926/}, abstract = {??????? ?????? ????????? 54 ????? ??? ?????????? ?.?. ???????? ????????: ???? ?.?.} }