%0 Journal Article %A Kentaro Yano %A Tadashi Nagano %T On Geodesic Vector Fields in a Compact Orientable RIEMANNian Space. %J Commentarii mathematici Helvetici %D 1961 %P 55-64 %V 35 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1961__35_139207/ %F CMH_1961__35_139207