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@article{DE_1986_22_3_a9, author = {I. T. Skorodinskii}, title = {A necessary condition for optimality for multidimensional singular control}, journal = {Differencialʹnye uravneni\^a}, pages = {435--439}, publisher = {mathdoc}, volume = {22}, number = {3}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_3_a9/} }
I. T. Skorodinskii. A necessary condition for optimality for multidimensional singular control. Differencialʹnye uravneniâ, Tome 22 (1986) no. 3, pp. 435-439. http://geodesic.mathdoc.fr/item/DE_1986_22_3_a9/