%0 Journal Article %A Eliopoulos, Hermes A. %T On the General Theory of Differentiable Manifolds with Almost Tangent Structure %J Canadian mathematical bulletin %D 1965 %P 721-748 %V 8 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-054-5/ %R 10.4153/CMB-1965-054-5 %F 10_4153_CMB_1965_054_5