On the subsemilattices of first-order definable and openly first-order definable congruences of the congruence lattice of a universal algebra.
Pinus, A.G.
Sibirskij Matematicheskij Zhurnal, Tome 47 (2006), p. 865-872 / Harvested from The Electronic Library of Mathematics
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Publié le : 2006-01-01
EUDML-ID : urn:eudml:doc:54734 
@article{05228045,
     title = {On the subsemilattices of first-order definable and openly first-order definable congruences of the congruence lattice of a universal algebra.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     volume = {47},
     year = {2006},
     pages = {865-872},
     zbl = {1150.08302},
     language = {en},
     url = {http://dml.mathdoc.fr/item/05228045}
}

Pinus, A.G. On the subsemilattices of first-order definable and openly first-order definable congruences of the congruence lattice of a universal algebra.. Sibirskij Matematicheskij Zhurnal, Tome 47 (2006) pp. 865-872. http://gdmltest.u-ga.fr/item/05228045/