@article{IVM_1970_9_a14,
     author = {\`E. G. Shutov},
     title = {Certain imbeddings of categorial semigroups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {98--105},
     year = {1970},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1970_9_a14/}
}