briefly describes what happened in Moscow; is quite puzzled by all these events

(reply to the letter of 16.10.79) is upset by their shocking experience in Moscow which is inexplicable especially when combined with warm reception given to the rest of participants in Urgench

on behalf of the Foreign Affairs Department of the USSR AS, he deeply regrets about the unhappy curcumstances and gives some explanations of all happened

thanks for positive and prompt reaction to the letter about the symposium

of the paper by J.Vuillemin

wants to come but has to seek for financial support

Request to make changes in the title of the Volume and to send one copy to J.Hopcroft and three copies to J. Vuillemin

is enthousiastic at the idea of the symposium, since the name of his research group is "Al Khowarizmi" and suggests a topic for discussion

is happy to confirm his participation