@article{GDZPPN002066432, title = {Length of curves under conformal mappings.}, journal = {Commentarii mathematici Helvetici}, volume = {62}, year = {1987}, pages = {122-134}, zbl = {0611.30011}, url = {http://dml.mathdoc.fr/item/GDZPPN002066432} }
Hamilton, D.H.; Fernández, J.L. Length of curves under conformal mappings.. Commentarii mathematici Helvetici, Tome 62 (1987) pp. 122-134. http://gdmltest.u-ga.fr/item/GDZPPN002066432/