@article{GDZPPN002061104,
title = {A Characterization of the Veblen-Sch\"utte Functions by Means of Functionals},
journal = {Commentarii mathematici Helvetici},
volume = {48},
year = {1973},
pages = {382-393},
zbl = {0272.02051},
url = {http://dml.mathdoc.fr/item/GDZPPN002061104}
}
Levitz, Hilbert. A Characterization of the Veblen-Schütte Functions by Means of Functionals. Commentarii mathematici Helvetici, Tome 48 (1973) pp. 382-393. http://gdmltest.u-ga.fr/item/GDZPPN002061104/