@article{DMTCS_2020_22_4_a8, author = {Dubois, Lo{\"\i}c and Joret, Gwena\"el and Perarnau, Guillem and Pilipczuk, Marcin and Pitois, Fran\c{c}ois}, title = {Two lower bounds for $p$-centered colorings}, journal = {Discrete mathematics & theoretical computer science}, publisher = {mathdoc}, volume = {22}, number = {4}, year = {2020-2021}, doi = {10.23638/DMTCS-22-4-9}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-22-4-9/} }