@article{05024747,
title = {A sharpening of a theorem of Bouligand. With an application to harmonic maps.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {31},
year = {2006},
pages = {173-190},
zbl = {1103.31006},
language = {en},
url = {http://dml.mathdoc.fr/item/05024747}
}
Fuglede, Bent. A sharpening of a theorem of Bouligand. With an application to harmonic maps.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 31 (2006) pp. 173-190. http://gdmltest.u-ga.fr/item/05024747/