%0 Journal Article %A Lanski, Charles %T Invariant Subrings in Rings with Involution %J Canadian journal of mathematics %D 1978 %P 85-94 %V 30 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-007-8/ %R 10.4153/CJM-1978-007-8 %F 10_4153_CJM_1978_007_8