%0 Journal Article %A John Gresham %T A class of infinite-dimensional spaces. Part II: An Extension Theorem and the theory of retracts %J Fundamenta Mathematicae %D 1980 %P 237-245 %V 107 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-107-3-237-245/ %R 10.4064/fm-107-3-237-245 %G en %F 10_4064_fm_107_3_237_245