Ortega, J. M. <br/><br/>
Iterative solution of nonlinear equations in several variables   
by J.M.Ortega, W.C.Reinboldt 
 - New York  Academic Press  1970 
 - xx, 572p. 
<br/><br/><label>LCCN: </label>79-107564 
<br/><br/><label>Dewey Class. No.: </label>515.35  / N701;1