@article{10_37236_504,
     author = {Saieed Akbari and Vahid Liaghat and Afshin Nikzad},
     title = {Colorful paths in vertex coloring of graphs},
     journal = {The electronic journal of combinatorics},
     year = {2011},
     volume = {18},
     number = {1},
     doi = {10.37236/504},
     zbl = {1290.05070},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/504/}
}