@article{10_4153_CMB_1965_054_5, author = {Eliopoulos, Hermes A.}, title = {On the {General} {Theory} of {Differentiable} {Manifolds} with {Almost} {Tangent} {Structure}}, journal = {Canadian mathematical bulletin}, pages = {721--748}, year = {1965}, volume = {8}, number = {6}, doi = {10.4153/CMB-1965-054-5}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1965-054-5/} }