@article{GreLuzSot16,
   author = {Gregor, Petr and Lu\v{z}ar, Borut and Sot\'{a}k, Roman},
   title = {{On incidence coloring conjecture in Cartesian products of graphs}},
   journal = {Discrete Appl. Math.},
   DOI = {10.1016/j.dam.2016.04.030},
   volume = {213},
   pages = {93--100},
   year = {2016}
}