TY - JOUR AU - Ken-ichi Tahara TI - On the Second Cohomology Groups of Semidirect Products. JO - Mathematische Zeitschrift PY - 1972 SP - 365 EP - 380 VL - 129 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1972__129_171844/ ID - MZ_1972__129_171844 ER -