%0 Journal Article
%A Vu Quoc Phóng
%T The operator equation AX - XB = C with unbounded operators A and B and related abstract Cauchy problems.
%J Mathematische Zeitschrift
%D 1991
%P 567-588
%V 208
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1991__208_3_174337/
%F MZ_1991__208_3_174337