TY - JOUR AU - V. V. Mityushev TI - The heat equation and the wave equation on graphs JO - Differencialʹnye uravneniâ PY - 1988 SP - 1591 EP - 1599 VL - 24 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1988_24_9_a13/ LA - ru ID - DE_1988_24_9_a13 ER -