Kuperman, I.B. <br/><br/>
Approximate Linear Algebraic Equations 
/ by I.B. Kuperman 
 - London:  Van Nostrand Reinhold Company,  1971. 
 - xi, 225p.; 
<br/><br/><label>ISBN: </label>0442045468 
<br/><br/><label>Dewey Class. No.: </label>517.382  / KUP/A