TY  - BOOK
AU  - edited by Cesari, L.
AU  - Lasalle, J.
AU  - Lefschetz, S.
TI  - Contributions to the theory of nonlinear oscillations, vol. V
SN  - 9780691079332
U1  - 517.929 
PY  - 1960///
CY  - Princeton
PB  - PUP
KW  - MATHEMATICS
KW  - NONLINEAR OSCILLATIONS
KW  - DIFFERENTIAL EQUATIONS
ER  -