TY - JOUR AU - Ishibashi, Hiroyuki TI - Involutions and semiinvolutions JO - Czechoslovak Mathematical Journal PY - 2006 SP - 533 EP - 541 VL - 56 IS - 2 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/CMJ_2006__56_2_a18/ LA - en ID - CMJ_2006__56_2_a18 ER -