%0 Journal Article
%A Grillet, Pierre Antoine
%T Free Pq-Algebras
%J Canadian journal of mathematics
%D 1968
%P 582-595
%V 20
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1968-058-9/
%R 10.4153/CJM-1968-058-9
%F 10_4153_CJM_1968_058_9