TY  - BOOK
AU  - Fritz John
AU  - Fritz John
TI  - Partial differential equations
T2  - Springer International Student Edition
U1  - 510 JOH 
PY  - 1982///
CY  - New York
PB  -  : Springer-Verlag
KW  - Mathematics
KW  - ;Differential equations, Partial
N1  - 
The single first-order equation --
Second-order equations: hyperbolic equations for functions of two independent variables --
Characteristic manifolds and the Cauchy problem --
The Laplace equation --
Hyperbolic equations in higher dimensions --
Higher-order elliptic equations with constant coefficients --
Parabolic equations --
H. Lewy's example of a linear equation without solutions
ER  -