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@article{MZM_1983_33_1_a4, author = {A. G. Kusraev}, title = {Openness of convex measurable correspondences}, journal = {Matemati\v{c}eskie zametki}, pages = {41--48}, publisher = {mathdoc}, volume = {33}, number = {1}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1983_33_1_a4/} }
A. G. Kusraev. Openness of convex measurable correspondences. Matematičeskie zametki, Tome 33 (1983) no. 1, pp. 41-48. http://geodesic.mathdoc.fr/item/MZM_1983_33_1_a4/