@article{zu219718, number = {7}, title = {????????? ???????????? ?????? ??????? ???????}, author = {???????? ??????? and ?. ?. ???????????}, publisher = {???-?? ??? ??. ?. ??????}, year = {2014}, pages = {125--127}, journal = {???????? ????? ??????? ???????????: ??????? ???????? ????? ?????????, ???????????? ?? ??????????}, url = {http://eprints.zu.edu.ua/19718/} }