V. Lakshmikantham <br/><br/>
Differential and integral inequalities; theory and applications volume I :  ordinary differential equations / 
V. Lakshmikantham. 
 - [S.l.] :  Academic Press,  1969. 
 - 390 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0124110304 9780124110304