@article{02163693, title = {An inverse problem for a second-order differential equation in a Banach space.}, journal = {Abstract and Applied Analysis}, volume = {2004}, year = {2004}, pages = {997-1005}, doi = {10.1155/S108533750440308X}, zbl = {1078.34036}, language = {en}, url = {http://dml.mathdoc.fr/item/02163693} }
Eidelman, Y. An inverse problem for a second-order differential equation in a Banach space.. Abstract and Applied Analysis, Tome 2004 (2004) pp. 997-1005. doi : 10.1155/S108533750440308X. http://gdmltest.u-ga.fr/item/02163693/