Notification of the seminar on the problems of automated and information systems of information processing (Apr. 21, 1979), where Ershov is to give a talk "The problem of forming a unified approach to the program construction process" (with Ershov's hand-written remark: "Attended; done" Date: 22.03.1983 Original document language: Russian Authors: Nikita N. Obraztsov Organizations: Dept. of Comp. Math. of the USSR AS Persons: Andrei Petrovich Ershov Addressee: Andrei Petrovich Ershov