Concerning congruence relations on commutative semigroups (Preliminary communication)
Drbohlav, Karel
Commentationes Mathematicae Universitatis Carolinae, Tome 004 (1963), p. 11-13 / Harvested from Czech Digital Mathematics Library
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Publié le : 1963-01-01
Classification:  20.92,  20Mxx 
@article{104924,
     author = {Karel Drbohlav},
     title = {Concerning congruence relations on commutative semigroups (Preliminary communication)},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     volume = {004},
     year = {1963},
     pages = {11-13},
     zbl = {0116.25503},
     mrnumber = {0158943},
     language = {en},
     url = {http://dml.mathdoc.fr/item/104924}
}

Drbohlav, Karel. Concerning congruence relations on commutative semigroups (Preliminary communication). Commentationes Mathematicae Universitatis Carolinae, Tome 004 (1963) pp. 11-13. http://gdmltest.u-ga.fr/item/104924/