@article{CMUC_1983_24_3_a6,
     author = {Turz{\'\i}k, Daniel},
     title = {A note on chromatic number of direct product of graphs},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {461--463},
     year = {1983},
     volume = {24},
     number = {3},
     mrnumber = {730141},
     zbl = {0536.05025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1983_24_3_a6/}
}