Title: Tretʹi͡a︡ Mezhdunarodnai͡a︡ konferent͡s︡ii͡a︡ "Lavrentʹevskie chtenii͡a︡ po matematike, mekhanike i fizike," 10-14 senti͡a︡bri͡a︡ 1990 g., Novosibirsk, SSSR
Subjects: Congresses, Mathematics, Physics