TY - JOUR AU - V. A. Kolmykov TI - On summation over paths in spectral graph theory JO - Diskretnaya Matematika PY - 2001 SP - 122 EP - 125 VL - 13 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2001_13_4_a8/ LA - ru ID - DM_2001_13_4_a8 ER -