@article{Azocar Bates:2012,
  author  = "L. Azocar Bates and H. Leiva and J. Matkowski and N. Merentes",
  title   = "Controllability of semilinear Volterra-Stieltjes intagral equation in the space of regulated functions",
  journal = "Journal of Control Theory and Applications",
  volume  = "Vol. 10",
  number  = "no. 1",
  pages   = "123--127",
  year    = "2012",
}