@article{DMTCS_2005_special_250_a46, author = {Talbot, John}, title = {Chromatic {Tur\'an} problems and a new upper bound for the {Tur\'an} density of $\mathcal{K}_4^-$}, journal = {Discrete mathematics & theoretical computer science}, publisher = {mathdoc}, volume = {DMTCS Proceedings vol. AE, European Conference on Combinatorics, Graph Theory and Applications (EuroComb '05)}, year = {2005}, doi = {10.46298/dmtcs.3437}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3437/} }