@article{10_21136_CMJ_1982_101840,
     author = {Nagy, Attila},
     title = {The least separative congruence on a weakly commutative semigroup},
     journal = {Czechoslovak Mathematical Journal},
     pages = {630--632},
     publisher = {mathdoc},
     volume = {32},
     number = {4},
     year = {1982},
     doi = {10.21136/CMJ.1982.101840},
     mrnumber = {682138},
     zbl = {0508.20034},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1982.101840/}
}