@article{GDZPPN002104210,
title = {Whittaker vectors and associated varieties.},
journal = {Inventiones mathematicae},
volume = {88},
year = {1987},
pages = {219-224},
zbl = {0633.17006},
url = {http://dml.mathdoc.fr/item/GDZPPN002104210}
}
Matumoto, H. Whittaker vectors and associated varieties.. Inventiones mathematicae, Tome 88 (1987) pp. 219-224. http://gdmltest.u-ga.fr/item/GDZPPN002104210/