@article{zu221807, number = {10}, title = {?????? ??????? ? ??????????? ?? ??????????? ?????? ???????? ?????????? ??????????? ? ???????????? ?. ?. ???????-????????????}, author = {?. ?. ???????}, publisher = {???????: ?????????? ????? ???}, year = {2015}, pages = {50--52}, journal = {??????????. ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/21807/} }