%0 Journal Article
%A Israel Halperin
%T Extension of the rank function
%J Studia Mathematica
%D 1966
%P 325-335
%V 27
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-27-3-325-335/
%R 10.4064/sm-27-3-325-335
%G en
%F 10_4064_sm_27_3_325_335