%0 Journal Article %A Houh, C.S. %T On a Riemannian Manifold M 2n with an Almost Tangent Structure %J Canadian mathematical bulletin %D 1969 %P 759-769 %V 12 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1969-098-1/ %R 10.4153/CMB-1969-098-1 %F 10_4153_CMB_1969_098_1