@article{zu221798, number = {10}, title = {????????-??????? ??????? ?? ?????? ???? ?????????? ????????}, author = {?. ?. ????????????}, publisher = {???????: ?????????? ????? ???}, year = {2015}, pages = {139--144}, journal = {??????????. ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/21798/} }