TY  - BOOK
AU  - Hale,Jack K.
TI  - Oscillations in nonlinear systems
T2  - Dover books on Mathematics
SN  - 9780486673622
U1  - 531.32 
PY  - 1992///
CY  - New York
PB  - Dover Publications
KW  - Nonlinear oscillations
N1  - Includes bibliographical references and index
ER  -