@book{ samko1993,
  author = {S G Samko and A A Kilbas and O I Marichev},
  title = {Fractional Integrals and Derivatives: Theory and Applications},
  year = {1993},
  abstract = {},
  publisher = {Gordon and Breach},
  address = {Switzerland},
  note = {translated from the Russian (1987) edition}
}