@article{PIM_1964_N_S_04_18_a10,
     author = {{\DJ}uro Kurepa},
     title = {Some {Reflexions} {On} {Sets} {And} {Non-Sets}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {101 },
     publisher = {mathdoc},
     volume = {_N_S_04},
     number = {18},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a10/}
}