@article{GDZPPN002319497, title = {Deformation of Submanifolds of Strongly Negatively Curved Manifolds.}, journal = {Mathematische Annalen}, volume = {250}, year = {1980}, pages = {243-248}, zbl = {0424.58011}, url = {http://dml.mathdoc.fr/item/GDZPPN002319497} }
Kalka, M. Deformation of Submanifolds of Strongly Negatively Curved Manifolds.. Mathematische Annalen, Tome 250 (1980) pp. 243-248. http://gdmltest.u-ga.fr/item/GDZPPN002319497/