中国科学院数学与系统科学研究院期刊网
The Exis tenceof Unique Almost Periodic Solutionon a Neutral Volterra Integro-DifferentialEquation with InfiniteDelay
XiTao Yang(1),ChunHua Feng(2)
Acta Mathematica Sinica, Chinese Series . 1997, (3):  .  DOI: 10.12386/A1997sxxb0048