@inproceedings{zu228107, booktitle = {????????? ??????? ???????? ???????????}, title = {???????? ?? ???????? ???????????? ??????????? ??????? ? ?????????-???????? ?? ???????-????????? ?????? ?????????}, author = {?. ?. ????????? and ?. ?. ?????}, year = {2018}, pages = {131--135}, url = {http://eprints.zu.edu.ua/28107/} }