Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1964_6_a10, author = {P. D. Kruming}, title = {Lattice-ordered semigroups}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {78--87}, publisher = {mathdoc}, number = {6}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1964_6_a10/} }
P. D. Kruming. Lattice-ordered semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1964), pp. 78-87. http://geodesic.mathdoc.fr/item/IVM_1964_6_a10/