Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{KYB_1975__11_6_a1, author = {Mathur, Y. D. and Mitter, J.}, title = {Some theorems on geometric measure of distortion}, journal = {Kybernetika}, pages = {--410}, publisher = {mathdoc}, volume = {11}, number = {6}, year = {1975}, mrnumber = {0439418}, zbl = {0336.94014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/KYB_1975__11_6_a1/} }
Mathur, Y. D.; Mitter, J. Some theorems on geometric measure of distortion. Kybernetika, Tome 11 (1975) no. 6, p. 410. http://geodesic.mathdoc.fr/item/KYB_1975__11_6_a1/