Berezin, I.S. <br/><br/>
Computing methods 

 - Oxford:   Pergamon Press,   1965. 
 - xiv, 679 p.:   graf., cuadros;  
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECUACIONES ALGEBRAICAS<br/>EIGENFUNCTIONS <br/>DIFFERENTIAL EQUATIONS<br/>PARTIAL DIFFERENTIAL EQUATIONS