TY  - BOOK
AU  - Jost Jurgen
TI  - Partial differential equations
T2  - Graduate Texts in Mathematics
SN  - 9780387493183
U1  - B2816, P7 
PY  - 2007///
CY  - New York
PB  - Springer         
KW  - Economics
N1  - Bibliography : P 347-48; Appendix     : P 339-46
ER  -