@article{zu226707, title = {????? ??????????. ???????????? ???????-????????? ????? ? ?????????, ???? ??????????? ?? ??????? ?????? / ???. ?. ?. ?????}, author = {?. ?. ????}, publisher = {??? ????? ????? ??????}, year = {2012}, pages = {7--9}, journal = {???????????? ???????}, url = {http://eprints.zu.edu.ua/26707/} }