TY  - BOOK
AU  - Cesari, Lamberto 
AU  -  LaSalle, J. 
AU  -  Lefschetz, Solomon
TI  - Contributions to the Theory of Nonlinear oscillations (AM-45), Volume V
SN  - 9781400882649
PB  - Walter de Gruyter
KW  - Statistics
UR  - http://www.degruyter.com/isbn/9781400882649
ER  -