1. Simultaneous coloring of edge neighborhoods in planar graphs and the simultaneous coloring of vertices, edges and faces;Borodin;Mat. Zametki,1993
2. Structural theorem on plane graphs with application to the entire coloring number;Borodin;J. Graph Theory,1996
3. X. Hu, W. Wang, Y. Wang, P. Wang, Entire coloring of graphs embedded in a surface of characteristic zero, 2016, submitted for publication.
4. A seven color theorem on the sphere;Kronk;Discrete Math.,1973
5. On simultaneous colorings of embedded graphs;Sanders;Discrete Math.,2000