%0 Journal Article %A Demlová, M. %A Demel, Jiří %A Koubek, Václav %T Simplicity of algebras requires to investigate almost all operations %J Commentationes Mathematicae Universitatis Carolinae %D 1982 %P 325-335 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1982__23_2_a8/ %G en %F CMUC_1982__23_2_a8