@article{10_4064_cm_62_1_1_6,
     author = {Marek Balcerzak},
     title = {On c-sets and products of ideals},
     journal = {Colloquium Mathematicum},
     pages = {1--6},
     publisher = {mathdoc},
     volume = {62},
     number = {1},
     year = {1991},
     doi = {10.4064/cm-62-1-1-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-62-1-1-6/}
}