%0 Journal Article %A Ishibashi, Hiroyuki %T Involutions and semiinvolutions %J Czechoslovak Mathematical Journal %D 2006 %P 533-541 %V 56 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a18/ %G en %F CMJ_2006__56_2_a18