@article{zu212465, title = {?????????????????? ????? ?????????? ????? ?? ????? ?????????? ??????? ???????? ???????}, author = {?. ?. ????????}, publisher = {???-?? ??? ??. ?.??????}, year = {2013}, pages = {232--241}, journal = {?????? ????????: ???????? ?? ??????????? : ??. ????. ?????}, url = {http://eprints.zu.edu.ua/12465/} }