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@article{DE_1999_35_12_a6, author = {V. A. Il'in}, title = {The wave equation with a boundary control at one end and the other end fixed}, journal = {Differencialʹnye uravneni\^a}, pages = {1640--1659}, publisher = {mathdoc}, volume = {35}, number = {12}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1999_35_12_a6/} }
V. A. Il'in. The wave equation with a boundary control at one end and the other end fixed. Differencialʹnye uravneniâ, Tome 35 (1999) no. 12, pp. 1640-1659. http://geodesic.mathdoc.fr/item/DE_1999_35_12_a6/