Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1988_44_3_a11, author = {E. G. Zelenyuk}, title = {On {Pontryagin's} alternative for topological semigroups}, journal = {Matemati\v{c}eskie zametki}, pages = {402--403}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a11/} }
E. G. Zelenyuk. On Pontryagin's alternative for topological semigroups. Matematičeskie zametki, Tome 44 (1988) no. 3, pp. 402-403. http://geodesic.mathdoc.fr/item/MZM_1988_44_3_a11/