TY - JOUR AU - George W. Whitehead TI - Note on Cross-sections in STIEFEL Manifolds. JO - Commentarii mathematici Helvetici PY - 1962 SP - 239 EP - 240 VL - 37 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1962__37_139260/ ID - CMH_1962__37_139260 ER -