@article{zu233675, number = {8}, title = {???????? ?????????? ????????? ?? ??? ??????-???????????? ??????? ??????????? ???????}, author = {?. ?. ?????????}, year = {2018}, pages = {270--275}, journal = {???????? ?????? ???????????? ?????????? ????????????}, url = {http://eprints.zu.edu.ua/33675/} }