@article{10_21136_MB_2011_141450,
     author = {Gera, Ralucca and Okamoto, Futaba and Rasmussen, Craig and Zhang, Ping},
     title = {Set colorings in perfect graphs},
     journal = {Mathematica Bohemica},
     pages = {61--68},
     publisher = {mathdoc},
     volume = {136},
     number = {1},
     year = {2011},
     doi = {10.21136/MB.2011.141450},
     mrnumber = {2807709},
     zbl = {1224.05171},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2011.141450/}
}