%0 Journal Article
%A Stahl, Stanley H.
%T A Hierarchy on the Class of Primitive Recursive Ordinal Functions
%J Canadian journal of mathematics
%D 1976
%P 1205-1209
%V 28
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-120-3/
%R 10.4153/CJM-1976-120-3
%F 10_4153_CJM_1976_120_3