Reissig R, and others <br/><br/>
Non-linear differential equations of higher order 
Reissig R, and others 
 - Leyden  Noordhoff International           1974 
 - xiii,669p.  cm. 
<br/><br/> Bibliography:  P 658-664 
<br/><br/><label>ISBN: </label>90 01 75270 5 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Equations
<br/><br/><label>Dewey Class. No.: </label>B33,1, L4