(№ 1) of the Association of M-20 users on a working conference which discussed problems connected with ALGOL 60 project and the Source Language of Programming Automatization System (Ershov's project).

Short description of IBM-650 system

of the Polyclinic of the Siberian Branch of the USSR Ac. Sci.

formula №5.

Justification for advicability of participation of the Soviet specialists in the IFIP Conference (handwritten by A.Ershov)

of the KD works (with Ershov's notes)

of participating institutions

of the visit of the Americal party to the Computing Center of the USSR AS

of an alpabet of an alphanumeric I/O device

formula №3.