@article{zu25744, title = {???????? ???????? ?????? ?????????-?????????????? ??? ?? ?????? ?????????????? ????????}, author = {?. ?. ?????????}, publisher = {???????????? ????????? ??????????? ????? ????? ??????}, year = {2011}, pages = {252--253}, journal = {C?????? ???????? ?????????? ????????????? ??????????? ?? ???????? ?????????? ????????? ???: ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/5744/} }