%0 Journal Article %A W. Żelazko %T When a unital $F$-algebra has all maximal left (right) ideals closed? %J Studia Mathematica %D 2006 %P 279-284 %V 175 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm175-3-6/ %R 10.4064/sm175-3-6 %G en %F 10_4064_sm175_3_6