Filippov, A. F. <br/><br/>
Problems in differential equations / 
A. F. Filippov, [translated by] J. L. Brenner. 
 - 2d ed. 
 - San Francisco :  Freeman,  c1966. 
 - ix, 172 p. :  ill. 
 - A Series of books in mathematics .
<br/><br/> "Adapted from Problems in differential equations by A. F. Filippov." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Differential equations--Problems, exercises, etc.