Davis, Harold T. <br/><br/>
Introduction to nonlinear differential equations 
Harold T. Davis       
 - New York  Dover Publications  1962 
 - xi, 566p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential Equations<br/>NASA Thesaurus<br/>Nonlinear Equations
<br/><br/><label>Universal Decimal Class. No.: </label>517.91  / DAV