Hale, J.K & Martinez-Amores, P <br/><br/>
Nonlinear differential equations 
J.K. Hale & P. Martinez-Amores 
 - Boston  Pitman Advanced Publishing Program  1985 
 - 181 
 - Pitman research notes in mathematics series 132 .
<br/><br/><label>ISBN: </label>9780273087113 
<br/><br/><label>Dewey Class. No.: </label>6.06  / HALE