@article{zu218392, number = {2(13)}, title = {?????????-?????????????? ??????? ???????????? ???????????? ?????? ???????? ????????}, author = {?. ?. ?????????}, publisher = {????????????? ??????????????? ???????????}, year = {2013}, pages = {94--97}, journal = {?????? ????? ???}, url = {http://eprints.zu.edu.ua/18392/} }