@article{zu229628, month = {????????}, title = {???????? ?? ????????-???????????? ?????? ???????????}, author = {?. ?. ????????}, publisher = {??? ??. ?. ??????}, year = {2019}, pages = {134--135}, journal = {????????? ???????? ????????????? ????????? (??????? ???????? ?????)}, url = {http://eprints.zu.edu.ua/29628/} }