Ayres, Franck <br/><br/>
Schaum's outline of theoriy and problems of matrices 
/ Frank Ayres, JR 
. - New-York  : McGraw-hill, 1962
. - 218 f.  ; 28 cm. 
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>512.83