TY  - BOOK
AU  - Krasnosel'skii M A
AU  -  Burd V Sh
AU  -  Kolesov Yu S
TI  - Nonlinear almost periodic oscillations
U1  - B333, L3 
PY  - 1973///
CY  - New York  
PB  -  John Wiley and Sons   
ER  -