Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1971_7_a12, author = {O. V. Shimel'fenig}, title = {Representation of commutative idempotent semigroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {99--107}, publisher = {mathdoc}, number = {7}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_7_a12/} }
O. V. Shimel'fenig. Representation of commutative idempotent semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1971), pp. 99-107. http://geodesic.mathdoc.fr/item/IVM_1971_7_a12/