TY  - BOOK
AU  - Cotton, David L.
TI  - Analytical theory of partial differential equations
U1  - 517.383 C51A 
PY  - 1980///
CY  - Boston
PB  - Pitman Advanced Pub.
KW  - DIFFERENTIAL EQUATIONS,PARTIAL -- MUMERICAL SOLUTIONS
KW  - DIFFERENTIAL EQUATIONS,PARTIAL -- MUMERICA
ER  -