TY  - BOOK
AU  - Badiale Marino
AU  - Serra Enrico
TI  - Semilinear elliptic equations for beginners: existence results via the variational approach
SN  - 978-0-85729-226-1
U1  - 515.3533 
PY  - 2011///
CY  - London
PB  - Springer-Verlag
KW  - Elliptic differential equations
KW  - Mathematical analysis
ER  -