TY  - BOOK
AU  - John F
TI  - Partial differential equations
T2  - Applied Mathematical Sciences Ed by Fritz John and Joseph P Lasalle
SN  - 0387901116
U1  - B33,4, L5 
PY  - 1975///
CY  - New York
PB  - Springer-Verlag         
KW  - Equations
N1  - Bibliography:  P 215-216
ER  -