Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1975__37_166422, author = {Olof Heden}, title = {A generalized {Lloyd} theorem and mixed perfect codes.}, journal = {Mathematica Scandinavica}, pages = {13--26}, publisher = {mathdoc}, volume = {37}, year = {1975}, zbl = {0318.94014}, url = {http://geodesic.mathdoc.fr/item/MS2_1975__37_166422/} }
Olof Heden. A generalized Lloyd theorem and mixed perfect codes.. Mathematica Scandinavica, Tome 37 (1975), pp. 13-26. http://geodesic.mathdoc.fr/item/MS2_1975__37_166422/