TY  - GEN
AU  - Friedman Avner
TI  - Partial Differential Equations
SN  - 030774551
U1  - 515.353,FRI 
PY  - 1969///
CY  - New york
PB  - Holt rinehart and winston
KW  - Avner Friedman
KW  - Differential Equations
N1  - Part-1: Elliptic Equations (Page-1), Part-2: Evolution Equations (Page-91), Part-3: Selected Topics (Page-199)
ER  -