@article{GDZPPN002064782, title = {On the existence of extremal Teichm\"uller mappings.}, journal = {Commentarii mathematici Helvetici}, volume = {57}, year = {1982}, pages = {511-518}, zbl = {0526.30030}, url = {http://dml.mathdoc.fr/item/GDZPPN002064782} }
Zhong, Li. On the existence of extremal Teichmüller mappings.. Commentarii mathematici Helvetici, Tome 57 (1982) pp. 511-518. http://gdmltest.u-ga.fr/item/GDZPPN002064782/