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MR ZblTran Duc Mai. Partitions and congruences in algebras. III. Commutativity of congruences. Archivum mathematicum, Tome 10 (1974) no. 3, pp. 173-187. http://geodesic.mathdoc.fr/item/ARM_1974_10_3_a3/
@article{ARM_1974_10_3_a3,
author = {Tran Duc Mai},
title = {Partitions and congruences in algebras. {III.} {Commutativity} of congruences},
journal = {Archivum mathematicum},
pages = {173--187},
year = {1974},
volume = {10},
number = {3},
mrnumber = {0417022},
zbl = {0326.08003},
language = {en},
url = {http://geodesic.mathdoc.fr/item/ARM_1974_10_3_a3/}
}
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