@article{GDZPPN002101211,
title = {Projective normality of flag varieties and Schubert varieties.},
journal = {Inventiones mathematicae},
volume = {82},
year = {1985},
pages = {217-224},
zbl = {0553.14023},
url = {http://dml.mathdoc.fr/item/GDZPPN002101211}
}
Ramanan, S.; Ramanathan, A. Projective normality of flag varieties and Schubert varieties.. Inventiones mathematicae, Tome 82 (1985) pp. 217-224. http://gdmltest.u-ga.fr/item/GDZPPN002101211/