%0 Journal Article %A Kmeť, František %T On radicals of the semigroup of triangular matrices %J Mathematica slovaca %D 1981 %P 365-368 %V 31 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1981__31_4_a4/ %G en %F MASLO_1981__31_4_a4