Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_179_1_a6, author = {V. N. Salii}, title = {Transformative semigroups $(\mathfrak{G},\circ,\xi,\chi_1,\chi_2)$}, journal = {Doklady Akademii Nauk}, pages = {30--33}, publisher = {mathdoc}, volume = {179}, number = {1}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a6/} }
V. N. Salii. Transformative semigroups $(\mathfrak{G},\circ,\xi,\chi_1,\chi_2)$. Doklady Akademii Nauk, Tome 179 (1968) no. 1, pp. 30-33. http://geodesic.mathdoc.fr/item/DAN_1968_179_1_a6/