TY - JOUR AU - Yano, Kentaro AU - Nagano, Tadashi TI - On Geodesic Vector Fields in a Compact Orientable RIEMANNian Space. JO - Commentarii mathematici Helvetici PY - 1961 VL - 35 SP - 55 EP - 64 KW - Riemannian manifolds UR - http://eudml.org/doc/139207 ER -