%0 Journal Article
%A Felice Ronga
%T Om multiple points of smooth immersions.
%J Commentarii mathematici Helvetici
%D 1980
%P 521-527
%V 55
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1980__55_139842/
%F CMH_1980__55_139842