TY  - BOOK
AU  - Ambrosetti, A.
AU  - Malchiodi, Andrea
TI  - Perturbation methods and semi linear elliptic problems on R (N)
SN  - 9783764373210
U1  - 515.392 
PY  - 2006///
CY  - Basel
PB  - Birkhauser basel
ER  -