Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1970_8_a8, author = {M. M. Lesokhin}, title = {Characters of commutative {semigroups.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {67--74}, publisher = {mathdoc}, number = {8}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_8_a8/} }
M. M. Lesokhin. Characters of commutative semigroups.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1970), pp. 67-74. http://geodesic.mathdoc.fr/item/IVM_1970_8_a8/