Bulletin of Irkutsk State University. Series Mathematics: Current issues and issues of the Historic archive http://www.mathnet.ru Current issues and issues of the Historic archive of the journals published online in the last time en-gb Copyright 2026, Steklov Mathematical Institute RAS, Branch of Mathematical Sciences, Russian Academy of Sciences Sun, 08 Mar 2026 08:03:58 +0300 math-net2026_03@mi-ras.ru tche@mi-ras.ru Bulletin of Irkutsk State University. Series Mathematics, 2025, Volume 54 http://www.mathnet.ru/php/archive.phtml?jrnid=iigum&wshow=issue&year=2025&series=0&volume=54&issue=&option_lang=eng Fri, 19 Dec 2025 00:00:00 +0300 Published on the website 19.12.2025 Current issues http://www.mathnet.ru/php/archive.phtml?jrnid=iigum&wshow=issue&year=2025&series=0&volume=54&issue=&option_lang=eng