TY  - BOOK
AU  - Protter, Murray H.
AU  - Weinberger, Hans F.
TI  - MAXIMUM PRINCIPLES IN DIFFERENTIAL EQUATIONS
U1  - 517.383 
PY  - 1967///
CY  - Englewood Cliffs, N. J.
PB  - Prentice-Hall
KW  - Differential Equations, Partial
KW  - Maxima And Minima
N1  - Bibliography : P. 240-255
ER  -