@article{zu223203, volume = {56}, number = {6}, title = {?????? ????? ???????????? ??????? ????????? ???????? ?????????? ???????????}, author = {?. ?. ???????}, year = {2016}, pages = {64--76}, journal = {???????????? ?????????? ? ?????? ????????}, url = {http://eprints.zu.edu.ua/23203/} }