TY - JOUR AU - Hans-Joachim Baues AU - Elias Gabriel Minian TI - Crossed extensions of algebras and Hochschild cohomology JO - Homology, homotopy, and applications PY - 2002 SP - 63 EP - 82 VL - 4 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2002.v4.n2.a4/ DO - 10.4310/HHA.2002.v4.n2.a4 LA - en ID - HHA_2002_4_2_a4 ER -