@article{PPN235181684_0270+dmdlog21,
title = {A Geometric Characterization of Harmonic Diffeomorphisms Between Surfaces.},
journal = {Mathematische Annalen},
volume = {270},
year = {1985},
pages = {147-158},
zbl = {0536.53043},
url = {http://dml.mathdoc.fr/item/PPN235181684_0270+dmdlog21}
}
Tabak, Barbara. A Geometric Characterization of Harmonic Diffeomorphisms Between Surfaces.. Mathematische Annalen, Tome 270 (1985) pp. 147-158. http://gdmltest.u-ga.fr/item/PPN235181684_0270+dmdlog21/