%A ?. ?. ????????? %A ?. ?. ???????? %J The 9th International scientific and practical conference ?Actual trends of modern scientific research? %T ????????? ????????, ?? ??????????? ??? ???????? %X ? ????????? ???????, ?? ????????? ????? ??????, ?? ????????, ?????????, ????????, ???? ?????????? ??????? ????????? ?????? ??? ?????? ????????, ??? ????????? ?????? ????? ???????? ???????? ? ?????? ?????. ???????? ?????? ?????????? ?????????? ?????????? ????????? ? ??????? ???????? ?? ???? ?? ?????????, ? ?????? ????? ??????????? ????????? ?????? ???????????????? ?????????. ? ????? ??????? ?? ????? ??????????? ? ?????????? ????????, ?? ?? ???????????? ???? ??????????? ?????? ????????? ???????????????? ?????????. %P 260-264 %D 2020 %I MDPC Publishing %L zu232533