%0 Journal Article
%A J. Kisyński
%T On operator valued solutions of d'Alembert's functional equation, II
%J Studia Mathematica
%D 1972
%P 43-66
%V 42
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-42-1-43-66/
%R 10.4064/sm-42-1-43-66
%G en
%F 10_4064_sm_42_1_43_66