@article{IM_1989__97_2_143704,
     author = {Shrawan Kumar},
     title = {A refinement of the {PRV} conjecture.},
     journal = {Inventiones mathematicae},
     pages = {305--312},
     publisher = {mathdoc},
     volume = {97},
     number = {2},
     year = {1989},
     zbl = {0691.17004},
     url = {http://geodesic.mathdoc.fr/item/IM_1989__97_2_143704/}
}