@article{zu25828, title = {??????????? ???? ?????????????? ??????????? ??????}, author = {?. ?. ?????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2011}, pages = {21--22}, journal = {C?????? ???????? ?????????? ????????????? ??????????? ?? ???????? ?????????? ????????? ???: ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/5828/} }