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@article{NUMA_1991__59_8_133555, author = {D.S. Gilliam and J.R. Lund and C.F. Martin}, title = {Inverse parabolic problems and discrete orthogonality.}, journal = {Numerische Mathematik}, pages = {361--384}, publisher = {mathdoc}, volume = {59}, number = {8}, year = {1991}, zbl = {0741.65096}, url = {http://geodesic.mathdoc.fr/item/NUMA_1991__59_8_133555/} }
D.S. Gilliam; J.R. Lund; C.F. Martin. Inverse parabolic problems and discrete orthogonality.. Numerische Mathematik, Tome 59 (1991) no. 8, pp. 361-384. http://geodesic.mathdoc.fr/item/NUMA_1991__59_8_133555/