TY  - BOOK
AU  - Copson E. T.   
TI  - Partial differential equations  
SN  - 9.78E+12
U1  - 517.383 
PY  - 2009///
CY  - New York
PB  - CUP
KW  - Differential equations, Partial
UR  - http://ebooks.cambridge.org/ebook.jsf?bid=CBO9780511569388
ER  -