@article{IM_1985__79_143216,
     author = {H.H. Andersen},
     title = {Schubert varieties and {Demazure's} character formula.},
     journal = {Inventiones mathematicae},
     pages = {611--618},
     publisher = {mathdoc},
     volume = {79},
     year = {1985},
     zbl = {0591.14036},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__79_143216/}
}