%0 Journal Article
%A Nordgren, Eric A.
%T Composition Operators
%J Canadian journal of mathematics
%D 1968
%P 442-449
%V 20
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-040-4/
%R 10.4153/CJM-1968-040-4
%F 10_4153_CJM_1968_040_4