@article{Geo:70e,
  journal = {Rev. Roumaine Math. Pures Appl.},
  volume = {15},
  title = {The centered epimorphisms and the construction of the tensor product
           in the category of the {L}ukasiewicz algebras},
  author = {Georgescu, George},
  year = {1970},
  fjournal = {Acad\'emie de la R\'epublique Populaire Roumaine. Revue Roumaine
              de Math\'ematiques Pures et Appliqu\'ees},
  pages = {693--709},
}