@article{GDZPPN002069563,
title = {Convex functionals and generalized harmonic maps into spaces of non positive curvature.},
journal = {Commentarii mathematici Helvetici},
volume = {70},
year = {1995},
pages = {659-673},
zbl = {0852.58022},
url = {http://dml.mathdoc.fr/item/GDZPPN002069563}
}
Jost, Jürgen. Convex functionals and generalized harmonic maps into spaces of non positive curvature.. Commentarii mathematici Helvetici, Tome 70 (1995) pp. 659-673. http://gdmltest.u-ga.fr/item/GDZPPN002069563/