@article{10_37236_160,
     author = {Daniel Kr\'al' and Douglas B. West},
     title = {Chromatic number for a generalization of {Cartesian} product graphs},
     journal = {The electronic journal of combinatorics},
     year = {2009},
     volume = {16},
     number = {1},
     doi = {10.37236/160},
     zbl = {1186.05106},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/160/}
}