Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1988_12_a13, author = {A. V. Kelarev}, title = {Radicals and sheaves of semigroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {71--73}, publisher = {mathdoc}, number = {12}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1988_12_a13/} }
A. V. Kelarev. Radicals and sheaves of semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1988), pp. 71-73. http://geodesic.mathdoc.fr/item/IVM_1988_12_a13/