%0 Journal Article %A George W. Whitehead %T Note on Cross-sections in STIEFEL Manifolds. %J Commentarii mathematici Helvetici %D 1962 %P 239-240 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1962__37_139260/ %F CMH_1962__37_139260