%A ?. ?. ??????
%A ?. ?. ???????
%A ?. ?. ??????????????
%J The 3rd International scientific and practical conference ?Modern science: innovations and prospects? (December 5-7, 2021)
%T ????????? ??????? ???????????? ????????? ?????????? ???????? ?? ?????? ????????
%D 2021
%I SSPG Publish, Stockholm, Sweden
%L zu234197