@article{GDZPPN002058065,
title = {The equivalence of two definitions of quasiconformal mappings.},
journal = {Commentarii mathematici Helvetici},
volume = {37},
year = {1962},
pages = {148-154},
zbl = {0108.07702},
url = {http://dml.mathdoc.fr/item/GDZPPN002058065}
}
Bers, Lipman. The equivalence of two definitions of quasiconformal mappings.. Commentarii mathematici Helvetici, Tome 37 (1962) pp. 148-154. http://gdmltest.u-ga.fr/item/GDZPPN002058065/