%0 Journal Article
%A K. I. Oblakov
%T Non-existence of distinct codirected locally minimal trees on a plane
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 2009
%P 21-25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_2009_2_a4/
%G ru
%F VMUMM_2009_2_a4