%0 Journal Article
%A A. L. Verner
%T A~semi-geodesic coordinate net on tubes of non-positive curvature
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1965
%P 130-140
%V 76
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1965_76_a11/
%G ru
%F TM_1965_76_a11