TY  - BOOK
AU  - Chabrowski Jan
TI  - Variational methods for potential operator equations: with applications to nonlinear elliptic equations
U1  - 515.64 
PY  - 1997///
CY  - Berlin
PB  - Walter de Gruyter
KW  - Elliptic differential equations
KW  - Nonlinear differential equations
KW  - Numerical solutions
ER  -