@article{GeoVra:69c,
  journal = {C. R. Acad. Sci. Paris S\'er. A-B},
  volume = {268},
  title = {Le spectre maximal d'une alg\`ebre de {L}ukasiewicz},
  author = {Georgescu, George and Vraciu, Constantin},
  year = {1969},
  pages = {A928--A929},
}