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@article{IM2_1991_36_1_a9, author = {B. Z. Shapiro}, title = {Spaces of linear differential equatios, and flag manifolds}, journal = {Izvestiya. Mathematics }, pages = {183--197}, publisher = {mathdoc}, volume = {36}, number = {1}, year = {1991}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_1991_36_1_a9/} }
B. Z. Shapiro. Spaces of linear differential equatios, and flag manifolds. Izvestiya. Mathematics , Tome 36 (1991) no. 1, pp. 183-197. http://geodesic.mathdoc.fr/item/IM2_1991_36_1_a9/