Elementary differential equations,
/ William Ted Martin and Eric Reissner.
- 2nd ed.
- Reading, Mass. : Addison-Wesley Pub. Co. 1961
- 331 p. illus. 24 cm.
includes index
1. Nature and origin of differential equations 2. The differential equation of first order 3. Second order differential equations 4. Higher order differential equations 5. Systems of first order differential equations 6. Finite difference equations 7. Partial differential equations