@article{10_21136_CMJ_1985_102018,
     author = {Brinckmann, Joachim},
     title = {\"Uber die kleinste separative {Kongruenz} auf einer {Halbgruppe}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {300--311},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1985},
     doi = {10.21136/CMJ.1985.102018},
     mrnumber = {787132},
     zbl = {0573.20060},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102018/}
}