FRANK (Ayres) <br/><br/>
Theory and problems of differential equations 

 - New York  Schaum Publishing Co  1952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Theory<br/>problems<br/>of<br/>equations<br/>differential<br/>and
<br/><br/><label>Dewey Class. No.: </label>513/3