Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1962_144_2_a2, author = {V. A. Emelichev}, title = {The solution of certain algorithmic problems for commutative semigroups}, journal = {Doklady Akademii Nauk}, pages = {261--263}, publisher = {mathdoc}, volume = {144}, number = {2}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a2/} }
V. A. Emelichev. The solution of certain algorithmic problems for commutative semigroups. Doklady Akademii Nauk, Tome 144 (1962) no. 2, pp. 261-263. http://geodesic.mathdoc.fr/item/DAN_1962_144_2_a2/