卵石 发表于 2025-3-28 16:49:06

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linguistics 发表于 2025-3-28 21:54:58

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查看完整版本: Titlebook: Nonlinear Mechanics, Groups and Symmetry; Yu. A. Mitropolsky,A. K. Lopatin Book 1995 Springer Science+Business Media Dordrecht 1995 algebr