%0 Journal Article
%A I. V. Artamkin
%T Combinatorics of trivalent ribbon graphs with two faces
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2007
%P 113-120
%V 13
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2007_13_6_a4/
%G ru
%F FPM_2007_13_6_a4