Rubinstein, Zalman <br/><br/>
A course in ordinary and partial differential equations / 
by Zalman Rubinstein 
 - New York :  Academic Press,  1969 
 - 477 p. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations