TY - JOUR AU - E. V. Devyanina TI - DP-model of computer steganography system JO - Prikladnaâ diskretnaâ matematika PY - 2009 SP - 85 EP - 90 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2009_3_a8/ LA - ru ID - PDM_2009_3_a8 ER -