On power densities of certain subsets of free semigroups
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1958), pp. 24-30
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@article{IVM_1958_3_a3,
author = {B. M. Bredikhin},
title = {On power densities of certain subsets of free semigroups},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {24--30},
publisher = {mathdoc},
number = {3},
year = {1958},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1958_3_a3/}
}
B. M. Bredikhin. On power densities of certain subsets of free semigroups. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1958), pp. 24-30. http://geodesic.mathdoc.fr/item/IVM_1958_3_a3/