@article{1093956974,
author = {Soboci\'nski, Boles\l aw},
title = {Certain formulas equivalent to the axiom of choice.},
journal = {Notre Dame J. Formal Logic},
volume = {2},
number = {1},
year = {1961},
pages = { 229-235},
language = {en},
url = {http://dml.mathdoc.fr/item/1093956974}
}
Sobociński, Bolesław. Certain formulas equivalent to the axiom of choice.. Notre Dame J. Formal Logic, Tome 2 (1961) no. 1, pp. 229-235. http://gdmltest.u-ga.fr/item/1093956974/