@article{10_1017_S0017089500030834,
     author = {Voloshin, V.},
     title = {A note on the conditional chromatic polynomial},
     journal = {Glasgow mathematical journal},
     pages = {265--267},
     year = {1994},
     volume = {36},
     number = {3},
     doi = {10.1017/S0017089500030834},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500030834/}
}