%0 Journal Article %A D. B. Fuchs %T Eckmann--Hilton duality and the theory of functors in the category of topological spaces %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1966 %P 1-33 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1966_21_2_a0/ %G en %F RM_1966_21_2_a0