TY - JOUR AU - D.L. JOHNSON TI - On the Cohomology of Finite 2-Groups. JO - Inventiones mathematicae PY - 1969 SP - 159 EP - 173 VL - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1969__7_141960/ ID - IM_1969__7_141960 ER -