@article{rhouma2009comment,
  title = {Comment on “Modified Baptista type chaotic cryptosystem via matrix secret key” [Phys. Lett. A 372 (2008) 5427]},
  author = {Rhouma, Rhouma and Solak, Ercan and Arroyo, David and LI, Shujun and Alvarez, Gonzalo and Belghith, Safya},
  journal = {Physics Letters A},
  volume = {373},
  number = {37},
  pages = {3398--3400},
  year = {2009},
  publisher = {North-Holland}
}