@article{10_1090_S0894_0347_1994_1224593_5,
     author = {Kahn, Jeff},
     title = {On a problem of {Erd\H{o}s} and {Lov\'asz.} {II.} {\ensuremath{\mathit{n}}(\ensuremath{\mathit{r}})=\ensuremath{\mathit{O}}(\ensuremath{\mathit{r}})}},
     journal = {Journal of the American Mathematical Society},
     pages = {125--143},
     year = {1994},
     volume = {07},
     number = {1},
     doi = {10.1090/S0894-0347-1994-1224593-5},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1994-1224593-5/}
}