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@article{DE_1999_35_11_a10, author = {V. A. Il'in}, title = {A wave equation with a bounded control on two ends for an arbitrary time interval}, journal = {Differencialʹnye uravneni\^a}, pages = {1517--1534}, publisher = {mathdoc}, volume = {35}, number = {11}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1999_35_11_a10/} }
V. A. Il'in. A wave equation with a bounded control on two ends for an arbitrary time interval. Differencialʹnye uravneniâ, Tome 35 (1999) no. 11, pp. 1517-1534. http://geodesic.mathdoc.fr/item/DE_1999_35_11_a10/