@article{AUCMP_1988_29_2_a5,
     author = {Koppelberg, Sabine},
     title = {Counterexamples in minimally generated {Boolean} algebras},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {27--36},
     year = {1988},
     volume = {29},
     number = {2},
     mrnumber = {0983448},
     zbl = {0676.06020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUCMP_1988_29_2_a5/}
}