@article{GDZPPN002213044,
title = {Isometric immersions and the generalized Laplace and elliptic sinh-Gordon equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {468},
year = {1995},
pages = {109-148},
zbl = {0832.53013},
url = {http://dml.mathdoc.fr/item/GDZPPN002213044}
}
Dajczer, M.; Tojeiro, Ruy. Isometric immersions and the generalized Laplace and elliptic sinh-Gordon equations.. Journal für die reine und angewandte Mathematik, Tome 468 (1995) pp. 109-148. http://gdmltest.u-ga.fr/item/GDZPPN002213044/