%0 Journal Article
%A A. N. Kurbatskii
%T Singularities of the transitivity zone of surfaces with boundaries in~$\mathbb R^3$
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2010
%P 583-585
%V 65
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2010_65_3_a7/
%G en
%F RM_2010_65_3_a7