@article{zu25831, title = {??????????? ??????? ??????????? ?????????? ???????????? ?????????? ????????}, author = {?. ?. ???????????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2011}, pages = {155--157}, journal = {C?????? ???????? ?????????? ????????????? ??????????? ?? ???????? ?????????? ????????? ???: ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/5831/} }