%0 Journal Article
%A D. Przeworska-Rolewicz
%A S. Rolewicz
%T On d-characteristic and $d_Ξ$-characteristic of linear operators
%J Annales Polonici Mathematici
%D 1967
%P 117-121
%V 19
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-19-2-117-121/
%R 10.4064/ap-19-2-117-121
%G en
%F 10_4064_ap_19_2_117_121