Ladde, G.S., et al <br/><br/>
Monotone iterative techniques for nonlinear differential equations 
G.S. Ladde, et al 
 - Boston  Pitman Advanced Publishing Program  1985 
 - x  236 
 - Monographs advanced texts & surveys in pure & app. maths 27 .
<br/><br/><label>ISBN: </label>9780273087076 
<br/><br/><label>Dewey Class. No.: </label>6.06  / LADD