TY  - BOOK
AU  - Greenspan,Donald
TI  - Introduction to partial differential equations 
SN  - 0486414507 
U1  - 515.353 
PY  - 2000///
CY  - Mineola, N.Y.
PB  - Dover Publications
KW  - Differential equations, Partial
KW  - Fourier series
KW  - The wave equation
KW  - The heat equation
N1  - Originally published: New York : McGraw-Hill, c1961; Includes bibliographical references and index
ER  -