Dvořák, Z., Škrekovski, R., & Valla, T. (2006). Planar graphs of odd-girth at least 9 are homomorphic to Petersen graph. Univ. of Ljubljana, Inst. of Mathematics, Physics and Mechanics, Dep. of Mathematics.
Chicago-Zitierstil (17. Ausg.)Dvořák, Zdeněk, Riste Škrekovski, und Tomáš Valla. Planar Graphs of Odd-girth at Least 9 Are Homomorphic to Petersen Graph. Ljubljana: Univ. of Ljubljana, Inst. of Mathematics, Physics and Mechanics, Dep. of Mathematics, 2006.
MLA-Zitierstil (9. Ausg.)Dvořák, Zdeněk, et al. Planar Graphs of Odd-girth at Least 9 Are Homomorphic to Petersen Graph. Univ. of Ljubljana, Inst. of Mathematics, Physics and Mechanics, Dep. of Mathematics, 2006.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.