Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1979__32_132620, author = {G. Opfer}, title = {New {Extremal} {Properties} for {Constructing} {Conformal} {Mappings.}}, journal = {Numerische Mathematik}, pages = {423--430}, publisher = {mathdoc}, volume = {32}, year = {1979}, zbl = {0432.30007}, url = {http://geodesic.mathdoc.fr/item/NUMA_1979__32_132620/} }
G. Opfer. New Extremal Properties for Constructing Conformal Mappings.. Numerische Mathematik, Tome 32 (1979), pp. 423-430. http://geodesic.mathdoc.fr/item/NUMA_1979__32_132620/