@article{1183535549,
author = {Halpern, J. D. and Howard, Paul E.},
title = {Cardinal addition and the axiom of choice},
journal = {Bull. Amer. Math. Soc.},
volume = {80},
number = {4},
year = {1974},
pages = { 584-586},
language = {en},
url = {http://dml.mathdoc.fr/item/1183535549}
}
Halpern, J. D.; Howard, Paul E. Cardinal addition and the axiom of choice. Bull. Amer. Math. Soc., Tome 80 (1974) no. 4, pp. 584-586. http://gdmltest.u-ga.fr/item/1183535549/