@article{DMGT_2004_24_1_a0,
     author = {Chartrand, Gary and Nebesk\'y, Ladislav and Zhang, Ping},
     title = {Radio k-colorings of paths},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {5--21},
     publisher = {mathdoc},
     volume = {24},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2004_24_1_a0/}
}