00688nam0-22002531i-450-990001296480403321000129648FED01000129648(Aleph)000129648FED0100012964820000920d1980----km-y0itay50------baengArithmetic groupby HUMPHREYS J.E.Berlin [etc.]Springer-Verlag1980Lecture Notes in Mathematics789Humphreys,James E.47861ITUNINARICAUNIMARCBK990001296480403321C-20-(78920070MA1MA1Arithmetic group384150UNINAING01