TY  - BOOK
AU  - Mickens,Ronald E.
TI  - An introduction to nonlinear oscillations
AV  - QA372 .M615 1981
U1  - 515.3/55 
PY  - 1981///
CY  - Cambridge [Eng.], New York
PB  - Cambridge University Press
KW  - Differential equations, Nonlinear
KW  - Mathematics
KW  - Approximation theory
KW  - Nonlinear oscillations
N1  - Includes index; Bibliography: p. [218]-220
ER  -