Paths with two blocks in n-chromatic digraphs, Journal of Combinatorial Theory, Series B, vol.97, issue.4, pp.620-626, 2007. ,
DOI : 10.1016/j.jctb.2006.10.001
URL : https://hal.archives-ouvertes.fr/lirmm-00197151
Oriented trees in digraphs, Discrete Mathematics, vol.313, issue.8, pp.313-967, 2013. ,
DOI : 10.1016/j.disc.2013.01.011
URL : https://hal.archives-ouvertes.fr/hal-00821609
Subdivisions in digraphs of large out-degree or large dichromatic number ,
URL : https://hal.archives-ouvertes.fr/hal-01403921
Disconnected orientations and a conjecture of Las Vergnas, J. London Math. Soc, vol.14, issue.2, pp.277-282, 1976. ,
DOI : 10.1112/jlms/s2-14.2.277
Graph Theory, Graduate Texts in Mathematics, vol.244, 2008. ,
DOI : 10.1007/978-1-84628-970-5
Subtrees of directed graphs and hypergraphs, Proceedings of the 11th Southeastern Conference on Combinatorics, Graph theory and Computing, pp.227-239, 1980. ,
Antidirected subtrees of directed graphs, Bulletin canadien de math??matiques, vol.25, issue.1, pp.119-120, 1982. ,
DOI : 10.4153/CMB-1982-017-4
Subdivisions of oriented cycles in digraphs with large chromatic number, Journal of Graph Theory, vol.22 ,
DOI : 10.1137/S0895480197323883
URL : https://hal.archives-ouvertes.fr/hal-01411115
Graph theory and probability. Canad, J. Math, vol.11, pp.34-38, 1959. ,
On directed paths and circuits, Theory of Graphs (Proc. Colloq. Titany, pp.115-118, 1966. ,
Zur algebraischen Begr??ndung der Graphentheorie. I, Mathematische Nachrichten, vol.27, issue.5-6, pp.275-290, 1964. ,
DOI : 10.1002/mana.19650280503
-chromatic digraphs, Journal of Graph Theory, vol.1 ,
DOI : 10.1051/m2an/1967010501291
Nombre chromatique et plus longs chemins d'un graphe, Revue fran??aise d'informatique et de recherche op??rationnelle, vol.1, issue.5, pp.129-132, 1967. ,
DOI : 10.1051/m2an/1967010501291
URL : https://www.esaim-m2an.org/articles/m2an/pdf/1967/03/m2an1967010501291.pdf
Determination of minimal coloring of vertices of a graph by means of boolean powers of the incidence matrix, Doklady Akademii Nauk SSSR, vol.147, pp.758-759, 1962. ,