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@article{DAN_1968_180_2_a10, author = {V. A. Cheprasov}, title = {On the determination of control forces in non-linear systems}, journal = {Doklady Akademii Nauk}, pages = {297--299}, publisher = {mathdoc}, volume = {180}, number = {2}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_180_2_a10/} }
V. A. Cheprasov. On the determination of control forces in non-linear systems. Doklady Akademii Nauk, Tome 180 (1968) no. 2, pp. 297-299. http://geodesic.mathdoc.fr/item/DAN_1968_180_2_a10/