@article{GDZPPN001184954,
title = {Inverse parabolic problems and discrete orthogonality.},
journal = {Numerische Mathematik},
volume = {59},
year = {1991},
pages = {361-384},
zbl = {0741.65096},
url = {http://dml.mathdoc.fr/item/GDZPPN001184954}
}
Gilliam, D.S.; Lund, J.R.; Martin, C.F. Inverse parabolic problems and discrete orthogonality.. Numerische Mathematik, Tome 59 (1991) pp. 361-384. http://gdmltest.u-ga.fr/item/GDZPPN001184954/