@article{bwmeta1.element.bwnjournal-article-smv98i1p53bwm,
author = {Frank Beatrous},
title = {Boundary estimates for derivatives of harmonic functions},
journal = {Studia Mathematica},
volume = {100},
year = {1991},
pages = {53-71},
zbl = {0734.42011},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv98i1p53bwm}
}
Beatrous, Frank. Boundary estimates for derivatives of harmonic functions. Studia Mathematica, Tome 100 (1991) pp. 53-71. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv98i1p53bwm/