@article{PMIHES_1987__65__61_0, author = {Ramanathan, A.}, 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}, mrnumber = {908216}, zbl = {0634.14035}, language = {en}, url = {https://www.numdam.org/item/PMIHES_1987__65__61_0/} }