00777nam0-22002531i-450-990001250020403321000125002FED01000125002(Aleph)000125002FED0100012500220000920d1980----km-y0itay50------baengFixed rings of finite automorphism groups of associative ringsdi Montgomery, S.Berlin [etc.]Springer-Verlag1980Lecture Notes in Mathematics818Montgomery,Susan57522ITUNINARICAUNIMARCBK990001250020403321C-20-(81819987MA1MA1Fixed rings of finite automorphism groups of associative rings81050UNINAING01