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@article{DE_1992_28_6_a2, author = {S. V. Bogatyrev and L. M. Fridman}, title = {Singular correction of the method of equivalent control}, journal = {Differencialʹnye uravneni\^a}, pages = {930--943}, publisher = {mathdoc}, volume = {28}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_6_a2/} }
S. V. Bogatyrev; L. M. Fridman. Singular correction of the method of equivalent control. Differencialʹnye uravneniâ, Tome 28 (1992) no. 6, pp. 930-943. http://geodesic.mathdoc.fr/item/DE_1992_28_6_a2/