@article{1183422116,
author = {Gronwall, T. H.},
title = {Some special boundary problems in the theory of harmonic functions},
journal = {Bull. Amer. Math. Soc.},
volume = {20},
number = {3},
year = {1913},
pages = { 227-233},
language = {en},
url = {http://dml.mathdoc.fr/item/1183422116}
}
Gronwall, T. H. Some special boundary problems in the theory of harmonic functions. Bull. Amer. Math. Soc., Tome 20 (1913) no. 3, pp. 227-233. http://gdmltest.u-ga.fr/item/1183422116/