@article{GDZPPN002113139, title = {Picard-Lefschetz theory and characters of a semisimple Lie group.}, journal = {Inventiones mathematicae}, volume = {121}, year = {1995}, pages = {579-612}, zbl = {0851.22013}, url = {http://dml.mathdoc.fr/item/GDZPPN002113139} }
Rossmann, W. Picard-Lefschetz theory and characters of a semisimple Lie group.. Inventiones mathematicae, Tome 121 (1995) pp. 579-612. http://gdmltest.u-ga.fr/item/GDZPPN002113139/