TY - JOUR AU - V. S. Shevelev TI - Modern enumeration theory of permutations with restricted positions JO - Diskretnaya Matematika PY - 1993 SP - 3 EP - 35 VL - 5 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1993_5_1_a0/ LA - ru ID - DM_1993_5_1_a0 ER -