TY - JOUR AU - Jian-Shu Li TI - Singular unitary representations of classical groups. JO - Inventiones mathematicae PY - 1989 SP - 237 EP - 256 VL - 97 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__97_2_143701/ ID - IM_1989__97_2_143701 ER -