@article{GDZPPN00209195X, title = {On the Density of Strebel Differentials.}, journal = {Inventiones mathematicae}, volume = {29}, year = {1975}, pages = {175-180}, zbl = {0371.30017}, url = {http://dml.mathdoc.fr/item/GDZPPN00209195X} }
Douady, A.; Hubbard, J. On the Density of Strebel Differentials.. Inventiones mathematicae, Tome 29 (1975) pp. 175-180. http://gdmltest.u-ga.fr/item/GDZPPN00209195X/