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@article{DE_1986_22_10_a6, author = {M. I. Sumin}, title = {Minimizing sequences in optimal control problems with bounded phase coordinates}, journal = {Differencialʹnye uravneni\^a}, pages = {1719--1731}, publisher = {mathdoc}, volume = {22}, number = {10}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_10_a6/} }
M. I. Sumin. Minimizing sequences in optimal control problems with bounded phase coordinates. Differencialʹnye uravneniâ, Tome 22 (1986) no. 10, pp. 1719-1731. http://geodesic.mathdoc.fr/item/DE_1986_22_10_a6/