Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1963_148_2_a14, author = {L. N. Shevrin}, title = {Semigroups with a modular lattice of subsemigroups}, journal = {Doklady Akademii Nauk}, pages = {292--295}, publisher = {mathdoc}, volume = {148}, number = {2}, year = {1963}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_2_a14/} }
L. N. Shevrin. Semigroups with a modular lattice of subsemigroups. Doklady Akademii Nauk, Tome 148 (1963) no. 2, pp. 292-295. http://geodesic.mathdoc.fr/item/DAN_1963_148_2_a14/