%0 Journal Article %A D.H. Hamilton %A J.L. Fernández %T Length of curves under conformal mappings. %J Commentarii mathematici Helvetici %D 1987 %P 122-134 %V 62 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1987__62_140080/ %F CMH_1987__62_140080