TY  - BOOK
AU  - John, Fritz
TI  - Partial differential equations
SN  - 354078022X
U1  - 515.353 
PY  - 1982///
CY  - New Delhi
PB  - Narosa Publishing  House
KW  - Mathematics
KW  - Differential equations
KW  - Parabola
KW  - Laplace equation
ER  -