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【预售】Pfaffian Systems, K-Symplectic Systems
【预订】Pfaffian Systems, K-Symplectic Systems
【预售】Typical Singularities of Differential 1-Forms and Pfaffian Equations
海外直订Pfaffian Systems, K-Symplectic Systems Pfaffian系统，K-辛系统
【3-4周达】Pfaffian Systems, k-Symplectic Systems [9789048154869]
