TY  - BOOK
AU  - Graffi,D.
TI  - Nonlinear partial differential equations in physical problems
SN  - 0273084747
PY  - 1980///
CY  - Boston
PB  - Pitman Advanced Pub.
KW  -  Differential equations, Nonlinear
KW  -  Differential equations, Partial
N1  - Bibliography: p.104-105
ER  -