%0 Journal Article %A Jakubík, Ján %T Projectability and weak homogeneity of pseudo effect algebras %J Czechoslovak Mathematical Journal %D 2009 %P 183-196 %V 59 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2009__59_1_a12/ %G en %F CMJ_2009__59_1_a12