@unpublished{zu219714, title = {????????????? ??????????? ?????? ????????? ???????? ?????????? ??????? ? ??????? ???????? ??????????-???????????? ?????????}, school = {???????????? ????????? ??????????? ????? ????? ??????}, author = {?. ?. ???????}, year = {2008}, url = {http://eprints.zu.edu.ua/19714/} }