TY  - JOUR
AU  - A. F. Ronzhin
TI  - Extensions of information protocols based on mappings of finite sets
JO  - Diskretnaya Matematika
PY  - 2005
SP  - 18
EP  - 28
VL  - 17
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_2005_17_4_a2/
LA  - ru
ID  - DM_2005_17_4_a2
ER  -