@article{PIM_1936_Tom_V_a8,
     author = {Georges Kurepa},
     title = {L' espace {(\ensuremath{\Omega})} n' est pas une class (\ensuremath{\varepsilon})},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {92 },
     publisher = {mathdoc},
     volume = {Tom_V},
     year = {1936},
     url = {http://geodesic.mathdoc.fr/item/PIM_1936_Tom_V_a8/}
}