Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleVladimir Mikhailovich Filippov.SubjectsSCHOOL sports; UNIVERSITIES &; colleges; VARIATIONAL principles; EDUCATION policy; DIFFERENTIAL-difference equationsPublicationJournal of Mathematical Sciences, 2024, Vol 278, Issue 2, p207ISSN1072-3374Publication typeArticleDOI10.1007/s10958-024-06914-7