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@article{DE_1976_12_7_a20, author = {V. I. Korobov}, title = {Reduction of a controllability problem to a boundary value problem}, journal = {Differencialʹnye uravneni\^a}, pages = {1310--1312}, publisher = {mathdoc}, volume = {12}, number = {7}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1976_12_7_a20/} }
V. I. Korobov. Reduction of a controllability problem to a boundary value problem. Differencialʹnye uravneniâ, Tome 12 (1976) no. 7, pp. 1310-1312. http://geodesic.mathdoc.fr/item/DE_1976_12_7_a20/