%0 Journal Article %A V. N. Basmanov %T Covariant functors, retracts, and dimension %J Doklady Akademii Nauk %D 1983 %P 1033-1036 %V 271 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_271_5_a0/ %G ru %F DAN_1983_271_5_a0