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Название: Homological methods in equations of mathematical physics
Авторы: Krasil'shchik J., Verbovetsky A.
Mentioning (co)homology theory in the context of differential equations would sound a bit ridiculous some 30-40 years ago: what could be in common between the essentially analytical, dealing with functional spaces theory of partial differential equations (PDE) and rather abstract and algebraic cohomologies?