@article{10_21136_CMJ_1990_102366,
     author = {Catino, Francesco},
     title = {On complete $\alpha$-ideals in semigroups},
     journal = {Czechoslovak Mathematical Journal},
     pages = {155--158},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1990},
     doi = {10.21136/CMJ.1990.102366},
     mrnumber = {1037353},
     zbl = {0704.20048},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102366/}
}