Kaplan, Wilfred,  1915- <br/><br/>
Elements of ordinary differential equations  / 
Wifred Kaplan 
 - Reading  :  Addison-Wesley ,  1964 
 - xi, 270 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations
<br/><br/><label>Dewey Class. No.: </label>515.35 KAP