%0 Journal Article %A Sin-Min Lee %T On Algebras all of Whose Subalgebras are Simple; Some Solutions of Plonka's Problem %J Publications de l'Institut Mathématique %D 1985 %P 33 %V _N_S_37 %N 51 %I mathdoc %U http://geodesic.mathdoc.fr/item/PIM_1985_N_S_37_51_a6/ %G en %F PIM_1985_N_S_37_51_a6