@article{10_37236_1930,
     author = {He Chen and Xueliang Li},
     title = {Long heterochromatic paths in edge-colored graphs},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1930},
     zbl = {1080.05047},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1930/}
}