@article{zu24913, title = {?????????? ????????????? ???????? ? ????? ?? ??????????? ????????}, author = {?. ?. ??????? and ?. ?. ???????}, publisher = {???}, year = {2010}, pages = {52--53}, journal = {??????? ?????????? "???????????? ??????? ?????????? - 2010"}, url = {http://eprints.zu.edu.ua/4913/} }