Hartree, Douglas Rayner. <br/><br/>
Numerical analysis / 
by D. R. Hartree. 
 - 2nd ed. 
 - Oxford:   At the Clarendon Press   1958. 
 - 302 p. :   ill. ;   25 cm. 
<br/><br/>Includes index: p. 293-297. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Numerical analysis