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【预订】Pfaffian Systems, K-Symplectic Systems
【预售】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
预订 Typical Singularities of Differential 1-forms and Pfaffian Equations [9780821845677]
【4周达】Pfaffian Systems, K-Symplectic Systems [9789048154869]
【4周达】Pfaffian Systems, K-Symplectic Systems [9780792363736]
