TY - JOUR AU - Sandler, Reuben TI - The collineation groups of some finite projective planes JO - Portugaliae mathematica PY - 1962 SP - 189 EP - 199 VL - 21 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1962__21_3_114891/ LA - en ID - PORMA_1962__21_3_114891 ER -