@article{GDZPPN002311259,
title = {G\"odel's Square Axioms for the Continuum.},
journal = {Mathematische Annalen},
volume = {217},
year = {1975},
pages = {29-34},
zbl = {0289.02051},
url = {http://dml.mathdoc.fr/item/GDZPPN002311259}
}
Ellentuck, Erik. Gödel's Square Axioms for the Continuum.. Mathematische Annalen, Tome 217 (1975) pp. 29-34. http://gdmltest.u-ga.fr/item/GDZPPN002311259/