@article{120264,
author = {Ivan Chajda},
title = {Permutability of congruences in varieties with idempotent operations},
journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
volume = {30},
year = {1991},
pages = {33-37},
zbl = {0768.08006},
mrnumber = {1166423},
language = {en},
url = {http://dml.mathdoc.fr/item/120264}
}
Chajda, Ivan. Permutability of congruences in varieties with idempotent operations. Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica, Tome 30 (1991) pp. 33-37. http://gdmltest.u-ga.fr/item/120264/
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