%0 Journal Article %A S. Úwierczkowski %T A description of the tangent functor category %J Colloquium Mathematicum %D 1974 %P 165-178 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-31-2-165-178/ %R 10.4064/cm-31-2-165-178 %G en %F 10_4064_cm_31_2_165_178