Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS2_1980__47_166712, author = {Ernst S. Selmer}, title = {On the postage stamp problem with the three stamp denominations.}, journal = {Mathematica Scandinavica}, pages = {29--71}, publisher = {mathdoc}, volume = {47}, year = {1980}, zbl = {0436.10027}, url = {http://geodesic.mathdoc.fr/item/MS2_1980__47_166712/} }
Ernst S. Selmer. On the postage stamp problem with the three stamp denominations.. Mathematica Scandinavica, Tome 47 (1980), pp. 29-71. http://geodesic.mathdoc.fr/item/MS2_1980__47_166712/