Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1990_48_1_a21, author = {B. V. Novikov}, title = {Commutative semigroups with cancellation of dimension~$1$}, journal = {Matemati\v{c}eskie zametki}, pages = {148--149}, publisher = {mathdoc}, volume = {48}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_1_a21/} }
B. V. Novikov. Commutative semigroups with cancellation of dimension~$1$. Matematičeskie zametki, Tome 48 (1990) no. 1, pp. 148-149. http://geodesic.mathdoc.fr/item/MZM_1990_48_1_a21/