Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1995__70_3_140379, author = {J.M. Anderson and A. Hinkkanen}, title = {Quadrilaterals and extremal quasiconformal extensions.}, journal = {Commentarii mathematici Helvetici}, pages = {455--474}, publisher = {mathdoc}, volume = {70}, number = {3}, year = {1995}, zbl = {0839.30017}, url = {http://geodesic.mathdoc.fr/item/CMH_1995__70_3_140379/} }
J.M. Anderson; A. Hinkkanen. Quadrilaterals and extremal quasiconformal extensions.. Commentarii mathematici Helvetici, Tome 70 (1995) no. 3, pp. 455-474. http://geodesic.mathdoc.fr/item/CMH_1995__70_3_140379/