@article{1028998671, author = {Klotz, Tilla}, title = {The geometry of extremal quasiconformal mappings.}, journal = {Michigan Math. J.}, volume = {9}, number = {1}, year = {1962}, pages = { 129-136}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998671} }
Klotz, Tilla. The geometry of extremal quasiconformal mappings.. Michigan Math. J., Tome 9 (1962) no. 1, pp. 129-136. http://gdmltest.u-ga.fr/item/1028998671/