@article{GDZPPN002038196,
title = {Note on angle-preserving mappings.},
journal = {Aequationes mathematicae},
volume = {40},
year = {1990},
pages = {1-7},
zbl = {0712.51010},
url = {http://dml.mathdoc.fr/item/GDZPPN002038196}
}
Alpers, B. Note on angle-preserving mappings.. Aequationes mathematicae, Tome 40 (1990) pp. 1-7. http://gdmltest.u-ga.fr/item/GDZPPN002038196/