%0 Journal Article %A Müller, Vladimír %T On the topological boundary of the one-sided spectrum %J Czechoslovak Mathematical Journal %D 1999 %P 561-568 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_1999__49_3_a8/ %G en %F CMJ_1999__49_3_a8