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grg

资料来源 : Free On-Line Dictionary of Computing

GRG
     
        A computer algebra system for differential geometry,
        gravitation and field theory.  Version 3.1 works with
        PSL-based REDUCE 3.3 or 3.4.
     
        E-mail: V.V. Zhytnikov .
     
        (1994-12-16)
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