@article{MMO_1973_29_a14,
     author = {L. N. \v{S}evrin and A. S. Prosvirov},
     title = {Semigroups with isotone idealizer functions},
     journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {235--246},
     publisher = {mathdoc},
     volume = {29},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MMO_1973_29_a14/}
}