TY  - BOOK
AU  - Bray,William O.
TI  - A journey into partial differential equations 
SN  - 9780763772567
U1  - 515.35 BRA/J 
PY  - 2012///
CY  - USA
PB  - Jones & Bartlett Learning
KW  - MATHEMATICS
KW  - DIFFERENTIAL EQUATIONS
KW  - WAVE EQUATION
ER  -