%0 Journal Article
%A P.B. Shalen
%A H. Gillet
%A R.K. Skora
%T Simplicial approximation and low-rank trees.
%J Commentarii mathematici Helvetici
%D 1991
%P 521-540
%V 66
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140246/
%F CMH_1991__66_4_140246