Semigroups of partial mappings with a~symmetric transitivity relation
Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1957), pp. 81-88
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@article{IVM_1957_1_a7,
author = {V. V. Vagner},
title = {Semigroups of partial mappings with a~symmetric transitivity relation},
journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
pages = {81--88},
publisher = {mathdoc},
number = {1},
year = {1957},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/IVM_1957_1_a7/}
}
V. V. Vagner. Semigroups of partial mappings with a~symmetric transitivity relation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1957), pp. 81-88. http://geodesic.mathdoc.fr/item/IVM_1957_1_a7/