asks to include B. Ostrovsky and J. Barzdin in the Soviet delegation to Denmark

with congratulations from Jan Barzdin. (With a hand-written Ershov's explanatory remark addressed to his mother.)

typed copy of the paper

official invitations for six Soviet scientists have been posted

formal letters of official invitations for six USSR scientists have been posted (original text and its translation into Russian)

for Prof. Barzdin to participate in the Workshop

In addition to the letter of March, 15, the author gives new details of his trip.

a request to the Head of Foreign Relations Department of the USSR AS, V.A. Smirnyagin, for support and more attention to the trip of the group of Soviet specialists to the Workshop

Thanks for the book "Introduction to theoretical programming"; wants to present his books on PL/1 and OS ES

a request to cable urgently all arrival-departure information

the state of things concerned with the trip to Denmark