@article{zu219674, number = {3}, title = {????????? ?????? ?????? ? ?????? ?. ?. ?? ?????? ???????? ???????}, author = {?. ????????? and ?. ?. ??????????}, publisher = {??????? "???????"}, year = {2015}, pages = {32--34}, journal = {???????}, url = {http://eprints.zu.edu.ua/19674/} }