@article{zu228903, number = {13}, title = {????? ????? ? ???????}, author = {??????? ???????}, publisher = {???????: ??? ????????? ?. ?.}, year = {2018}, pages = {85--87}, journal = {??????????: ??????? V ?????????????? ???????-?????????? ??????????? ?????? ??????: ?????????? ????? ? ??????? ?????????? (?. ???????, 7 ?????? 2017 ????)}, url = {http://eprints.zu.edu.ua/28903/} }