@article{zu216679, title = {???????????? ????????? ??????? ??? ?????????? ???????????? ??????????? ??????}, author = {?. ?. ?????? and ?. ?. ????????? and ?. ?. ????????? and ?. ?. ?????????? and ?. ?. ???????}, publisher = {???????: ?? ??????}, year = {2015}, pages = {458--460}, journal = {?????????? ??????????? ? 2015: ??????? ???????? ?????}, url = {http://eprints.zu.edu.ua/16679/} }