@article{IM_1991__103_1_143852, author = {Karl Rubin}, title = {The }, journal = {Inventiones mathematicae}, pages = {25--68}, year = {1991}, volume = {103}, number = {1}, zbl = {0737.11030}, url = {http://geodesic.mathdoc.fr/item/IM_1991__103_1_143852/} }