Letter (hand-written) Thanks for the pre-print and some questions; proposal to write a paper for Theoretical Computer Science journal; proposal to arrange for his graduate students' presentation on standard schemata transformation at the seminar Date: 10.01.1979 Original document language: russian Authors: Andrei Petrovich Ershov Persons: Viktor K. Sabelfeld Addressee: Yuri Ivanovich Yanov
