%0 Journal Article
%A Danjun Huang
%A Weifan Wang
%T Planar graphs of maximum degree six without 7-cycles are class one
%J The electronic journal of combinatorics
%D 2012
%V 19
%N 3
%U http://geodesic.mathdoc.fr/articles/10.37236/2589/
%R 10.37236/2589
%F 10_37236_2589