@article{AUCMP_1989__30_2_a1,
     author = {Balcerzak, Marek},
     title = {On some ideals and related algebras of sets in the plane},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {3--7},
     publisher = {mathdoc},
     volume = {30},
     number = {2},
     year = {1989},
     mrnumber = {1046440},
     zbl = {0726.28003},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1989__30_2_a1/}
}