TY - JOUR AU - K. Vogtmann TI - A Stiefel complex for the orthogonal group of a field. JO - Commentarii mathematici Helvetici PY - 1982 SP - 11 EP - 21 VL - 57 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1982__57_139891/ ID - CMH_1982__57_139891 ER -