TY - JOUR TI - From the Editor JO - Diskretnaya Matematika PY - 2014 SP - 155 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2014_26_1_a12/ LA - ru ID - DM_2014_26_1_a12 ER -