%0 Journal Article %A Jerzy Łoś %T Direct sums in general algebra %J Colloquium Mathematicum %D 1966 %P 33-38 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-14-1-33-38/ %R 10.4064/cm-14-1-33-38 %G en %F 10_4064_cm_14_1_33_38