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@article{DE_1985_21_10_a4, author = {M. G. Dmitriev}, title = {The theory of singular perturbations and some optimal control problems}, journal = {Differencialʹnye uravneni\^a}, pages = {1693--1698}, publisher = {mathdoc}, volume = {21}, number = {10}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1985_21_10_a4/} }
M. G. Dmitriev. The theory of singular perturbations and some optimal control problems. Differencialʹnye uravneniâ, Tome 21 (1985) no. 10, pp. 1693-1698. http://geodesic.mathdoc.fr/item/DE_1985_21_10_a4/