TY - JOUR AU - Mauro Biliotti TI - On the Collineation Groups of Derived Semifield Planes. JO - Mathematische Zeitschrift PY - 1983 SP - 489 EP - 494 VL - 183 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1983__183_173335/ ID - MZ_1983__183_173335 ER -