Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1992_28_3_a30, author = {E. K. Kostousova}, title = {On observability for the one-dimensional heat equation}, journal = {Differencialʹnye uravneni\^a}, pages = {543--545}, publisher = {mathdoc}, volume = {28}, number = {3}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1992_28_3_a30/} }
E. K. Kostousova. On observability for the one-dimensional heat equation. Differencialʹnye uravneniâ, Tome 28 (1992) no. 3, pp. 543-545. http://geodesic.mathdoc.fr/item/DE_1992_28_3_a30/