@article{Rud:69d,
  journal = {An. Univ. Bucure\c sti Mat.-Mec.},
  volume = {18},
  title = {Boolean equations for the chromatic decomposition of graphs},
  year = {1969},
  fjournal = {Analele Universit\u a\c tii Bucure\c sti. Matematic\u a},
  pages = {119--126},
  number = {2},
  author = {Rudeanu, Sergiu},
}