@unpublished{zu23853, month = {??????}, title = {??????????? ????????? ????? ? ????????? ????}, author = {?????? ??????????? ???????????}, year = {2009}, keywords = {???????????, ???????? ????, ???????? ???, ??????????? ????????? ?????.}, url = {http://eprints.zu.edu.ua/3853/}, abstract = {??????? ?????? ???????? 53 ????? ??? ???????????? ?.?. ???????? ????????: ?????? ????????????? ????, ???????? ??????? ????????? ?????? ??????????.} }