@article{zu25783, title = {?????? ??????? ? ?????????? ???????? ? ???????? ??????????? ????}, author = {?. ?. ???????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2011}, pages = {315--317}, journal = {C?????? ???????? ?????????? ????????????? ??????????? ?? ???????? ?????????? ????????? ???: ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/5783/} }