%0 Journal Article %A Jerzy Dydak %T Extension theory of infinite symmetric products %J Fundamenta Mathematicae %D 2004 %P 53-77 %V 182 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm182-1-3/ %R 10.4064/fm182-1-3 %G en %F 10_4064_fm182_1_3