%0 Journal Article %A Fiby, Rudolf %T The structure of tangentors and their morphisms %J Czechoslovak Mathematical Journal %D 1978 %P 272-285 %V 28 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1978.101530/ %R 10.21136/CMJ.1978.101530 %G en %F 10_21136_CMJ_1978_101530