@article{04039410,
title = {An inverse problem for biharmonic equation.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {11},
year = {1988},
pages = {413-415},
doi = {10.1155/S0161171288000493},
zbl = {0637.73027},
language = {en},
url = {http://dml.mathdoc.fr/item/04039410}
}
Ramm, A.G. An inverse problem for biharmonic equation.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 413-415. doi : 10.1155/S0161171288000493. http://gdmltest.u-ga.fr/item/04039410/