Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_204_2_a11, author = {B. M. Shain}, title = {Symmetric finite semigroups of transformations and kernel automata}, journal = {Doklady Akademii Nauk}, pages = {302--305}, publisher = {mathdoc}, volume = {204}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_204_2_a11/} }
B. M. Shain. Symmetric finite semigroups of transformations and kernel automata. Doklady Akademii Nauk, Tome 204 (1972) no. 2, pp. 302-305. http://geodesic.mathdoc.fr/item/DAN_1972_204_2_a11/