中国科学院数学与系统科学研究院期刊网
Oscillation Criteria of Second Order Half Linear Delay Dynamic Equations on Time Scales
H. A. AGWO, A. M. M. KHODIER, HEBA A. HASSAN
Acta Mathematicae Applicatae Sinica(English Series) . 2017, (1): 83 -92 .  DOI: 10.1007/s10255-017-0639-4