@article{GDZPPN002539462, title = {On the univalence of quasi-isometric mappings}, journal = {Revista colombiana de matematicas}, volume = {7}, year = {1973}, pages = {125-132}, zbl = {0289.54019}, url = {http://dml.mathdoc.fr/item/GDZPPN002539462} }
Gevirtz, Julian. On the univalence of quasi-isometric mappings. Revista colombiana de matematicas, Tome 7 (1973) pp. 125-132. http://gdmltest.u-ga.fr/item/GDZPPN002539462/