@article{MAN_1990__288_1_164744, author = {Sergio Venturini}, title = {Intrinsic metrics in complete circular domains.}, journal = {Mathematische Annalen}, pages = {473--482}, publisher = {mathdoc}, volume = {288}, number = {1}, year = {1990}, zbl = {0693.32013}, url = {http://geodesic.mathdoc.fr/item/MAN_1990__288_1_164744/} }