@article{PIM_1962_N_S_02_16_a15,
     author = {{\DJ}uro Kurepa},
     title = {The {Cartesian} {Multiplication} {And} {Cellularity} {Number}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {121 },
     publisher = {mathdoc},
     volume = {_N_S_02},
     number = {16},
     year = {1962},
     url = {http://geodesic.mathdoc.fr/item/PIM_1962_N_S_02_16_a15/}
}