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2Wan Zhexian.Geometries of Classical Groups over Finite Fields[M].Lund: Studentlitleratur, 1993.127-139.
3Bannai E, Ito T. Algebraic Combinatorics I. London: Benjamin/Cummings publishing company Inc, 1984.48-55
4Wan Zhexian. Geometries of classical groups over finite fields.Lund: Studentliteratur, 1993.127-139
5Wang Kaishun, Wei Hongzeng, Zhang Gengsheng. An anzahl theorem in singular pseudo-symplectic geometry over finite fields. Acta Math Sci, 2002,22B(1):72-78
