A characterization of projection subsets in semigroups of transformations
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1974), pp. 27-40
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@article{IVM_1974_9_a3,
author = {V. S. Garvatskii},
title = {A~characterization of projection subsets in semigroups of transformations},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {27--40},
year = {1974},
number = {9},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1974_9_a3/}
}
V. S. Garvatskii. A characterization of projection subsets in semigroups of transformations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1974), pp. 27-40. http://geodesic.mathdoc.fr/item/IVM_1974_9_a3/