Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences
@article{10_4064_cm_13_2_251_254, author = {P. Erd\"os}, title = {On an extremal problem in graph theory}, journal = {Colloquium Mathematicum}, pages = {251--254}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1964}, doi = {10.4064/cm-13-2-251-254}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-13-2-251-254/} }
P. Erdös. On an extremal problem in graph theory. Colloquium Mathematicum, Tome 13 (1964) no. 2, pp. 251-254. doi : 10.4064/cm-13-2-251-254. http://geodesic.mathdoc.fr/articles/10.4064/cm-13-2-251-254/
Cité par Sources :