%0 Journal Article %A Huanhuan Guan %A Pingzhi Yuan %A Xiangneng Zeng %T A generalization of Graham's conjecture %J The electronic journal of combinatorics %D 2015 %V 22 %N 4 %U http://geodesic.mathdoc.fr/articles/10.37236/5189/ %R 10.37236/5189 %F 10_37236_5189