TY  - BOOK
AU  - Heading,John
TI  - Ordinary differential equations: theory and practice : an elementary, integrated, applied treatment based on the wave equation 
SN  - 0236177222.
U1  - 515.352 
PY  - 1975///
CY  - London
PB  - Elek
KW  - Differential equations
KW  - Wave equation
N1  - Includes index; Bibliography: p. 332
ER  -