@article{IVM_1965_3_a20,
     author = {B. M. Shain},
     title = {Atomic semigroups and involutory semigroups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {172--184},
     publisher = {mathdoc},
     number = {3},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1965_3_a20/}
}