%0 Journal Article %A J. Trojan %T On a majorant principle for operator equations %J Commentationes Mathematicae %D 1983 %P 143-154 %V 23 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i1.6049/ %R 10.14708/cm.v23i1.6049 %G pl %F 10_14708_cm_v23i1_6049