@article{ELMA_1968__23_140905,
     author = {M. Blanpain},
     title = {Sur le {Probl\`eme} de {Zarankiewicz.}},
     journal = {Elemente der Mathematik},
     pages = {135--135},
     publisher = {mathdoc},
     volume = {23},
     year = {1968},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1968__23_140905/}
}