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@article{DE_1973_9_10_a0, author = {V. G. Boltyanskii}, title = {On the proof of the maximum principle for objects with continuous time}, journal = {Differencialʹnye uravneni\^a}, pages = {1747--1753}, publisher = {mathdoc}, volume = {9}, number = {10}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_10_a0/} }
V. G. Boltyanskii. On the proof of the maximum principle for objects with continuous time. Differencialʹnye uravneniâ, Tome 9 (1973) no. 10, pp. 1747-1753. http://geodesic.mathdoc.fr/item/DE_1973_9_10_a0/