@article{10_37236_5189,
     author = {Huanhuan Guan and Pingzhi Yuan and Xiangneng Zeng},
     title = {A generalization of {Graham's} conjecture},
     journal = {The electronic journal of combinatorics},
     year = {2015},
     volume = {22},
     number = {4},
     doi = {10.37236/5189},
     zbl = {1354.11015},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/5189/}
}