@article{10_37236_6521, author = {Pierre Aboulker and Nathann Cohen and Fr\'ed\'eric Havet and William Lochet and Phablo F. S. Moura and St\'ephan Thomass\'e}, title = {Subdivisions in digraphs of large out-degree or large dichromatic number}, journal = {The electronic journal of combinatorics}, year = {2019}, volume = {26}, number = {3}, doi = {10.37236/6521}, zbl = {1417.05083}, url = {http://geodesic.mathdoc.fr/articles/10.37236/6521/} }