@article{zu220781, number = {13}, title = {??????? ??????? ?? ???????????? ?? ????????? ?????? ??????????}, author = {?. ?????????}, publisher = {???-?? ??? ??. ?. ??????}, year = {2015}, pages = {64--67}, journal = {?????????? ?????: ???????????-??????????? ??????? ?????? ? ?????? ???????? ???????? ???? ?? ??????????}, url = {http://eprints.zu.edu.ua/20781/} }