@unpublished{zu23988, month = {?????}, title = {????? ???????? ?????????? ?????????? ?? ?????????? ???????? ????????}, author = {???? ????????????? ?????????}, year = {2009}, keywords = {????????? ??????????, ??????????, ??????? ???????, ??????????.}, url = {http://eprints.zu.edu.ua/3988/}, abstract = {??????? ?????? ????????? 54 ????? ??? ?????????? ?.?. ???????? ????????: ??. ???????? ????? ?.?.} }