%0 Journal Article
%A O. V. Borodin
%T A~structural theorem on planar graphs and its application to coloring
%J Diskretnaya Matematika
%D 1992
%P 60-65
%V 4
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DM_1992_4_1_a5/
%G ru
%F DM_1992_4_1_a5