Oscillation of Second-order Delay Differential Equation
YIN Fu-qi, LI Yong-kun
Chinese Quarterly Journal of Mathematics . 2004, (1): 30 -34 . 

Copyright © Chinese Quarterly Journal of Mathematics, All Rights Reserved.
Tel: 0371-23881698　E-mail: sxjk@henu.edu.cn　QQ: 2454327236
Powered by Beijing Magtech Co., Ltd.