@article{GDZPPN002321599, title = {Polymorphic Functions for Groups of Divergence Type.}, journal = {Mathematische Annalen}, volume = {255}, year = {1981}, pages = {353-366}, zbl = {0489.30036}, url = {http://dml.mathdoc.fr/item/GDZPPN002321599} }
Pommerenke, Ch. Polymorphic Functions for Groups of Divergence Type.. Mathematische Annalen, Tome 255 (1981) pp. 353-366. http://gdmltest.u-ga.fr/item/GDZPPN002321599/