%0 Journal Article %A Aristide Delenau %A Peter Hilton %T On the categorical shape of a functor %J Fundamenta Mathematicae %D 1977 %P 157-176 %V 97 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-97-3-157-176/ %R 10.4064/fm-97-3-157-176 %G en %F 10_4064_fm_97_3_157_176