@article{CRMATH_2015__353_8_711_0,
     author = {Ch\'eritat, Arnaud and Gao, Yan and Ou, Yafei and Tan, Lei},
     title = {A refinement of the {Gauss{\textendash}Lucas} theorem (after {W.P.} {Thurston)}},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {711--715},
     publisher = {Elsevier},
     volume = {353},
     number = {8},
     year = {2015},
     doi = {10.1016/j.crma.2015.05.007},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2015.05.007/}
}