@article{zu215040, title = {?????? ????????? ? ????????? ???????????? ?????????? ? ???????? ??? ? ???????? ??????}, author = {?. ?. ????????}, year = {2014}, pages = {125--129}, journal = {??????? ??????? ????????? ????????????: ???????? ??????? ??? ??. ?. ????????}, url = {http://eprints.zu.edu.ua/15040/} }