@article{zu228709, title = {???????? ??????????? ???????????? ??????????? ?????????????? ????? ??????????? ???? ???????? ????????????? ??????????}, author = {?. ?. ????????? and ?. ?. ?????????}, year = {2018}, journal = {??????? ???????? ?????? ?????? ? ??? ????????}, url = {http://eprints.zu.edu.ua/28709/} }