@article{1028998979, author = {Duren, P. L.}, title = {Distortion in certain conformal mappings of an annulus.}, journal = {Michigan Math. J.}, volume = {10}, number = {1}, year = {1963}, pages = { 431-441}, language = {en}, url = {http://dml.mathdoc.fr/item/1028998979} }
Duren, P. L. Distortion in certain conformal mappings of an annulus.. Michigan Math. J., Tome 10 (1963) no. 1, pp. 431-441. http://gdmltest.u-ga.fr/item/1028998979/