On the congruences in four-valued modal algebras
Portugaliae mathematica, Tome 49 (1992) no. 2, pp. 249-261
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@article{PORMA_1992__49_2_115790,
author = {Figallo, Aldo V.},
title = {On the congruences in four-valued modal algebras},
journal = {Portugaliae mathematica},
pages = {249--261},
publisher = {mathdoc},
volume = {49},
number = {2},
year = {1992},
mrnumber = {1201977},
zbl = {0787.03060},
language = {en},
url = {http://geodesic.mathdoc.fr/item/PORMA_1992__49_2_115790/}
}
Figallo, Aldo V. On the congruences in four-valued modal algebras. Portugaliae mathematica, Tome 49 (1992) no. 2, pp. 249-261. http://geodesic.mathdoc.fr/item/PORMA_1992__49_2_115790/