TY - JOUR AU - Stefano Kasangian AU - Giuseppe Metere AU - Enrico M. Vitale TI - Split extensions, semidirect product and holomorph of categorical groups JO - Homology, homotopy, and applications PY - 2006 SP - 145 EP - 167 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2006.v8.n1.a4/ DO - 10.4310/HHA.2006.v8.n1.a4 LA - en ID - HHA_2006_8_1_a4 ER -