@article{JRAM_1992__433_153475,
     author = {Peter Littelmann},
     title = {Good filtrations and decomposition rules for representations with standard monomial theory.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {161--180},
     year = {1992},
     volume = {433},
     zbl = {0755.20009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1992__433_153475/}
}