@article{zu224395, title = {????????????? ???????????? ? ?????????????? ???? ????????????? ??????? ?????????? ?????????????? ???? ?? ???????? ???????????? ?????}, author = {?. ?. ???????}, publisher = {????????: ???-?? ?.?. ???????}, year = {2017}, pages = {66--71}, journal = {??????????? ????????? ???????? ????? ? ??????????}, url = {http://eprints.zu.edu.ua/24395/} }