@article{MASLO_1976_26_3_a5,
author = {Beehler, Jerry R. and Johanson, Arnold},
title = {Semigroups and the structure of categories},
journal = {Mathematica slovaca},
pages = {207--216},
year = {1976},
volume = {26},
number = {3},
mrnumber = {0460408},
zbl = {0364.20066},
language = {en},
url = {http://geodesic.mathdoc.fr/item/MASLO_1976_26_3_a5/}
}
Beehler, Jerry R.; Johanson, Arnold. Semigroups and the structure of categories. Mathematica slovaca, Tome 26 (1976) no. 3, pp. 207-216. http://geodesic.mathdoc.fr/item/MASLO_1976_26_3_a5/
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