TY - JOUR AU - Houh, C.S. TI - On a Riemannian Manifold M 2n with an Almost Tangent Structure JO - Canadian mathematical bulletin PY - 1969 SP - 759 EP - 769 VL - 12 IS - 6 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-098-1/ DO - 10.4153/CMB-1969-098-1 ID - 10_4153_CMB_1969_098_1 ER -