TY  - GEN
AU  - Showalter,R.E
TI  - Hilbert space methods for partial differential equations
SN  - 0273010123
PY  - 1977///
CY  - London
PB  - Pitman
KW  - Differential equations, Partial
KW  - Hilbert space
N1  - Contine bibliogr. si index
ER  -