中国科学院数学与系统科学研究院期刊网
Oscillation Criteria for Second-Order Dynamic Equations with Oscillatory Coefficients on Time Scales
QIU Yangcong, WANG Qiru
Acta Mathematicae Applicatae Sinica . 2016, (1): 121 -129 .  DOI: 10.12387/C2016012