On tangent cones to Schubert varieties in type~$D_n$
Algebra i analiz, Tome 27 (2015) no. 4, pp. 28-49.

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M. V. Ignatyev; A. A. Shevchenko. On tangent cones to Schubert varieties in type~$D_n$. Algebra i analiz, Tome 27 (2015) no. 4, pp. 28-49. http://geodesic.mathdoc.fr/item/AA_2015_27_4_a2/

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