Krasnosel'skii M A <br/><br/>
Nonlinear almost periodic oscillations. 
Krasnosel'skii M A; Burd V Sh; Kolesov Yu S 
 - New York     John Wiley and Sons     1973 
 - x,326p.  cm. 
<br/><br/><label>Standard No.: </label>61180 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B333, L3