Seminar GDEq. Natural invariants and classification of quasilinear second-order diff. operators

13 Apr 2022 Valentin Lychagin Natural invariants and classification of quasilinear second-order differential operators Geometry of differential equations Страница семинара - https://gdeq.org/Seminar The seminar works at the Independent University of Moscow - https://mccme.ru/ru/nmu/ Эта и другие лекции смотрите на канале RuTube - https://rutube.ru/channel/42881756/