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@article{DE_1979_15_5_a4, author = {N. N. Petrov}, title = {Continuity of the {Bellman} function in degenerate cases}, journal = {Differencialʹnye uravneni\^a}, pages = {809--814}, publisher = {mathdoc}, volume = {15}, number = {5}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1979_15_5_a4/} }
N. N. Petrov. Continuity of the Bellman function in degenerate cases. Differencialʹnye uravneniâ, Tome 15 (1979) no. 5, pp. 809-814. http://geodesic.mathdoc.fr/item/DE_1979_15_5_a4/