Letter (hand-written) Prior to his trip to Leningrad, Ershov asks for a meeting, states the problems he wants to discuss, and explains why the opinion of D.S. Likhachev is so important to him Date: 10.11.1981 Original document language: russian Authors: Andrei Petrovich Ershov Organizations: Pushkin's House Addressee: Dmitri S. Likhachev