@article{zu217570, title = {????? ?????????? ??????????? ?????????????? ???????????? ?????? }, author = {?. ?. ?????}, year = {2015}, pages = {58--59}, journal = {??????? ??? ?????????????? ????????-??????????? ?????????? ???????? ???????????????? ?? ??????????? ?????????????? ?????? ? ???????? ???????}, url = {http://eprints.zu.edu.ua/17570/} }