Ayres, F.. <br/><br/>
Theory and problems of differential equations in si metric units /   Textual Documents 
Frank Ayres & J.C.Ault. 
 - Singapore :   McGraw Hill International Book Comp. ,   1981 
 - 295p ;  
<br/><br/><label>Subjects--Index Terms: </label>Mathematics 
<br/><br/><label>Dewey Class. No.: </label>515.35  / AYR