%0 Journal Article %A R. Sikorski %T On MikusiƄski's algebraical theory of differential equations %J Studia Mathematica %D 1957 %P 230-236 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-16-2-230-236/ %R 10.4064/sm-16-2-230-236 %G en %F 10_4064_sm_16_2_230_236