@article{zu219680, number = {3}, title = {???? ??????????????? ????????? ? ???????? ???????? ????? ? ????? ?. ?. ??????????? ???????}, author = {???? ?????? and ?. ?. ???????????}, publisher = {??????? "???????"}, year = {2015}, pages = {45--48}, journal = {???????}, url = {http://eprints.zu.edu.ua/19680/} }