@article{1178240742,
author = {Ikoma, Kazuo},
title = {A distortion theorem in $K$-quasiconformal mappings of the $n$-ball},
journal = {Tohoku Math. J. (2)},
volume = {28},
number = {4},
year = {1976},
pages = { 553-561},
language = {en},
url = {http://dml.mathdoc.fr/item/1178240742}
}
Ikoma, Kazuo. A distortion theorem in $K$-quasiconformal mappings of the $n$-ball. Tohoku Math. J. (2), Tome 28 (1976) no. 4, pp. 553-561. http://gdmltest.u-ga.fr/item/1178240742/