Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1962_142_6_a10, author = {I. S. Ponizovskii}, title = {A remark on commutative semigroups}, journal = {Doklady Akademii Nauk}, pages = {1258--1260}, publisher = {mathdoc}, volume = {142}, number = {6}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_6_a10/} }
I. S. Ponizovskii. A remark on commutative semigroups. Doklady Akademii Nauk, Tome 142 (1962) no. 6, pp. 1258-1260. http://geodesic.mathdoc.fr/item/DAN_1962_142_6_a10/