%0 Journal Article %A Teodor C. PrzymusiƄski %T On Martin's axiom and perfect spaces %J Colloquium Mathematicum %D 1981 %P 209-215 %V 44 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-44-2-209-215/ %R 10.4064/cm-44-2-209-215 %G en %F 10_4064_cm_44_2_209_215