Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNecessary and Sufficient Conditions for an Extremum in Complex Problems of Optimization of Systems Described by Polynomial and Analytic Functions.AuthorsNefedov, V. N.PublicationJournal of Computer & Systems Sciences International, 2023, Vol 62, Issue 2, p179ISSN1064-2307Publication typeArticleDOI10.1134/S1064230723020156