%0 Journal Article
%A L. V. Toralballa
%T Piecewise flatness and surface area
%J Annales Polonici Mathematici
%D 1968
%P 223-230
%V 21
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-21-2-223-230/
%R 10.4064/ap-21-2-223-230
%G en
%F 10_4064_ap_21_2_223_230