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@article{DE_1973_9_9_a18, author = {S. Ya. Gorokhovik}, title = {Necessary conditions for the optimality of multidimensional singular controls}, journal = {Differencialʹnye uravneni\^a}, pages = {1721--1724}, publisher = {mathdoc}, volume = {9}, number = {9}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1973_9_9_a18/} }
S. Ya. Gorokhovik. Necessary conditions for the optimality of multidimensional singular controls. Differencialʹnye uravneniâ, Tome 9 (1973) no. 9, pp. 1721-1724. http://geodesic.mathdoc.fr/item/DE_1973_9_9_a18/