@article{GDZPPN002057972,
title = {On a characterization of quasiconformal mappings.},
journal = {Commentarii mathematici Helvetici},
volume = {37},
year = {1962},
pages = {44-48},
zbl = {0108.07701},
url = {http://dml.mathdoc.fr/item/GDZPPN002057972}
}
Reich, Edgar. On a characterization of quasiconformal mappings.. Commentarii mathematici Helvetici, Tome 37 (1962) pp. 44-48. http://gdmltest.u-ga.fr/item/GDZPPN002057972/