@article{1255985738,
author = {Yang, Shanshuang},
title = {Conformal invariants of smooth domains and extremal quasiconformal mappings of ellipses},
journal = {Illinois J. Math.},
volume = {41},
number = {3},
year = {1997},
pages = { 438-452},
language = {en},
url = {http://dml.mathdoc.fr/item/1255985738}
}
Yang, Shanshuang. Conformal invariants of smooth domains and extremal quasiconformal mappings of ellipses. Illinois J. Math., Tome 41 (1997) no. 3, pp. 438-452. http://gdmltest.u-ga.fr/item/1255985738/