TY - JOUR AU - J. F. Jardine TI - Categorical homotopy theory JO - Homology, homotopy, and applications PY - 2006 SP - 71 EP - 144 VL - 8 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4310/HHA.2006.v8.n1.a3/ DO - 10.4310/HHA.2006.v8.n1.a3 LA - en ID - HHA_2006_8_1_a3 ER -