@article{01667790, title = {On Hausdorff intrinsic metric.}, journal = {Lobachevskii Journal of Mathematics}, volume = {8}, year = {2001}, pages = {185-189}, zbl = {0980.54005}, language = {en}, url = {http://dml.mathdoc.fr/item/01667790} }
Sosov, E.N. On Hausdorff intrinsic metric.. Lobachevskii Journal of Mathematics, Tome 8 (2001) pp. 185-189. http://gdmltest.u-ga.fr/item/01667790/