@article{ASNSP_1948_2_14_1-4_21_0,
     author = {Rad\'o, Tibor},
     title = {On the problem of {Ge\"ocze}},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {21--30},
     publisher = {Scuola normale superiore},
     volume = {Ser. 2, 14},
     number = {1-4},
     year = {1948},
     mrnumber = {28935},
     zbl = {0037.32202},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1948_2_14_1-4_21_0/}
}