| [1] |
Borodin, O. V., On acyclic colorings of planar graphs, Discrete Math., 25, 211-236 (1979) · Zbl 0406.05031 |
| [2] |
Borodin, O. V.; Kostochka, A. V.; Nešetřil, J.; Raspaud, A.; Sopena, E., On the maximum average degree and the oriented chromatic number of a graph, Discrete Math., 206, 77-89 (1999) · Zbl 0932.05033 |
| [3] |
Fried, E., On homogeneous tournaments, Combinatorial Theory and Its Applications, vol. 2 (1970), North-Holland: North-Holland Amsterdam, pp. 467-476 · Zbl 0215.33704 |
| [4] |
Kostochka, A. V.; Mel’nikov, L. S., Note to the paper of Grünbaum on acyclic colorings, Discrete Math., 14, 403-406 (1976) · Zbl 0318.05103 |
| [5] |
Nešetřil, J.; Raspaud, A., Antisymmetric flows and strong colorings of oriented planar graphs, Ann. Inst. Fourier, 49, 3, 1037-1056 (1999) · Zbl 0921.05034 |
| [6] |
Raspaud, A.; Sopena, E., Good and semi-strong colorings of oriented planar graphs, Inform. Process. Lett., 51, 4, 171-174 (1994) · Zbl 0806.05031 |
| [7] |
Sopena, E., Oriented graph coloring, Discrete Math., 229, 1-3, 359-369 (2001) · Zbl 0971.05039 |
| [8] |
Sopena, E., There exist oriented planar graphs with oriented chromatic number at least sixteen, Inform. Process. Lett., 81, 6, 309-312 (2002) |
