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Publication:3967545
zbMath0502.05010MaRDI QIDQ3967545
Publication date: 1983
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Research exposition (monographs, survey articles) pertaining to combinatorics (05-02) Combinatorial aspects of matrices (incidence, Hadamard, etc.) (05B20) Combinatorial aspects of finite geometries (05B25) Group rings of finite groups and their modules (group-theoretic aspects) (20C05) Combinatorial aspects of difference sets (number-theoretic, group-theoretic, etc.) (05B10) Combinatorial geometries and geometric closure systems (51D20) General binary quadratic forms (11E16) Research exposition (monographs, survey articles) pertaining to geometry (51-02)
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