@article{1077466812,
author = {Johnson, Jr., Guy},
title = {Regions of flatness for analytic functions and their
derivatives},
journal = {Duke Math. J.},
volume = {23},
number = {1},
year = {1956},
pages = { 209-217},
language = {en},
url = {http://dml.mathdoc.fr/item/1077466812}
}
Johnson, Jr., Guy. Regions of flatness for analytic functions and their
derivatives. Duke Math. J., Tome 23 (1956) no. 1, pp. 209-217. http://gdmltest.u-ga.fr/item/1077466812/