中国科学院数学与系统科学研究院期刊网
Initial Value Problem to the Second Order Non-Autonomous Functional Differential-Iterative Equation
Xi Ping LIU,Mei JIA
Acta Mathematica Sinica, Chinese Series . 2002, (4): 711 -718 .  DOI: 10.12386/A2002sxxb0093