%0 Journal Article %A G.E. Reyes %A G.C. Wraith %T A note on tangent bundles in a category with a ring object. %J Mathematica Scandinavica %D 1978 %P 53-63 %V 42 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1978__42_166575/ %F MS2_1978__42_166575