@article{PMIHES_1987__65__61_0,
     author = {A. Ramanathan},
     title = {Equations defining {Schubert} varieties and {Frobenius} splittings of diagonals},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {61--90},
     year = {1987},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {65},
     doi = {10.1007/BF02698935},
     mrnumber = {908216},
     zbl = {0634.14035},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02698935/}
}