TY  - GEN
AU  - Derrick, William R.
TI  - Elementary differential equations with applications
U1  - 517.38 
PY  - 1981///
CY  - Massachusetts
PB  - Addison-Wwsley Pub.
KW  - Differential equations
KW  - Matrices
KW  - Linear systems
KW  - Oscillations
KW  - Calculus
N1  - 2011-02-03; M
ER  -