%0 Journal Article
%A Marek Ptak
%T Unitary dilations of multi-parameter semigroups of operators
%J Annales Polonici Mathematici
%D 1985
%P 237-243
%V 45
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-45-3-237-243/
%R 10.4064/ap-45-3-237-243
%G en
%F 10_4064_ap_45_3_237_243