@article{02217497, title = {Generalized resolvents and spectrum for a certain class of perturbed symmetric operators.}, journal = {Journal of Applied Mathematics}, volume = {2005}, year = {2005}, pages = {81-92}, doi = {10.1155/JAM.2005.81}, zbl = {1091.47006}, language = {en}, url = {http://dml.mathdoc.fr/item/02217497} }
Hebbeche, A. Generalized resolvents and spectrum for a certain class of perturbed symmetric operators.. Journal of Applied Mathematics, Tome 2005 (2005) pp. 81-92. doi : 10.1155/JAM.2005.81. http://gdmltest.u-ga.fr/item/02217497/