@article{zu222452, number = {1}, title = {???????? ???????????? ?? ?????? ??????????????? ????????? ????????? ?? ?????????? ?? ????????? ???????? ??????'?}, author = {?. ?. ????????}, year = {2012}, pages = {5--9}, journal = {??????? ??????????????}, url = {http://eprints.zu.edu.ua/22452/} }