@article{Kisielewicz:1991,
  author  = "M. Kisielewicz and J. Motyl",
  title   = "Existence of solutions of boundary value problems of differential inclusions",
  journal = "Applied Mathematics and Computer Science",
  volume  = "Vol. 1",
  number  = "no 1",
  pages   = "117--126",
  year    = "1991",
}