@article{DM_2009_21_2_a9,
     author = {K. I. Ponomarev},
     title = {On one statistical model of steganography},
     journal = {Diskretnaya Matematika},
     pages = {138--145},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DM_2009_21_2_a9/}
}