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@article{CM_1988__67_3_355_0, author = {Mehta, V. B. and Ramanathan, A.}, title = {Schubert varieties in $G/B \times G/B$}, journal = {Compositio Mathematica}, pages = {355--358}, publisher = {Kluwer Academic Publishers}, volume = {67}, number = {3}, year = {1988}, mrnumber = {959217}, zbl = {0665.14020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1988__67_3_355_0/} }
Mehta, V. B.; Ramanathan, A. Schubert varieties in $G/B \times G/B$. Compositio Mathematica, Tome 67 (1988) no. 3, pp. 355-358. http://geodesic.mathdoc.fr/item/CM_1988__67_3_355_0/