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@article{DE_1989_25_3_a5, author = {B. Mordukhovich}, title = {Necessary conditions for optimality in nonsmooth control problems with nonfixed time}, journal = {Differencialʹnye uravneni\^a}, pages = {424--434}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_3_a5/} }
B. Mordukhovich. Necessary conditions for optimality in nonsmooth control problems with nonfixed time. Differencialʹnye uravneniâ, Tome 25 (1989) no. 3, pp. 424-434. http://geodesic.mathdoc.fr/item/DE_1989_25_3_a5/