中国科学院数学与系统科学研究院期刊网
A Remark on a Note on Linearized Oscillation for Even-Order Neutral Differential Equations
Xian Hua TANG
Acta Mathematica Sinica, Chinese Series . 2002, (4): 643 -646 .  DOI: 10.12386/A2002sxxb0085