@article{zu228317, title = {??????????? ???????????? ??????????? ????? ????????? ????????? ???????????}, author = {?. ?. ????????? and ?. ?. ?????? and ?. ?. ??????}, year = {2018}, pages = {295--298}, journal = {?????????? ??????????? - 2018}, url = {http://eprints.zu.edu.ua/28317/} }