TY - JOUR AU - Marc W. Konvisser TI - 2-Groups which Contain Exactly Three Involutions. JO - Mathematische Zeitschrift PY - 1973 SP - 19 EP - 30 VL - 130 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1973__130_171846/ ID - MZ_1973__130_171846 ER -