@article{00438920, title = {Diameter problems for univalent functions with quasiconformal extension.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {16}, year = {1993}, pages = {679-686}, doi = {10.1155/S0161171293000857}, zbl = {0779.30015}, language = {en}, url = {http://dml.mathdoc.fr/item/00438920} }
Deiermann, Paul. Diameter problems for univalent functions with quasiconformal extension.. International Journal of Mathematics and Mathematical Sciences, Tome 16 (1993) pp. 679-686. doi : 10.1155/S0161171293000857. http://gdmltest.u-ga.fr/item/00438920/