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@article{DAN_1987_292_5_a4, author = {V. L. Levin}, title = {Measurable selections of multivalued mappings and the problem of}, journal = {Doklady Akademii Nauk}, pages = {1048--1053}, publisher = {mathdoc}, volume = {292}, number = {5}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a4/} }
V. L. Levin. Measurable selections of multivalued mappings and the problem of. Doklady Akademii Nauk, Tome 292 (1987) no. 5, pp. 1048-1053. http://geodesic.mathdoc.fr/item/DAN_1987_292_5_a4/