@article{1077473369,
author = {Beesley, E. M. and Morse, A. P.},
title = {$\varphi$ -Contorian functions and their
convex moduli},
journal = {Duke Math. J.},
volume = {12},
number = {1},
year = {1945},
pages = { 585-619},
language = {en},
url = {http://dml.mathdoc.fr/item/1077473369}
}
Beesley, E. M.; Morse, A. P. $\varphi$ -Contorian functions and their
convex moduli. Duke Math. J., Tome 12 (1945) no. 1, pp. 585-619. http://gdmltest.u-ga.fr/item/1077473369/