Computing Center agrees to accept the addressee in July 1987.

The author thanks for the telegram.

Thanks for the received books; account of the Department of Programming affairs and family news; interesting calculations of Ershov's working time

The author asks for a visa support to stay in Novosibirsk on his way to Hungary.

The author exposes his itinerary in the USSR. A hand-written inscription by Ershov: "The program and acceptance are to be prepared by Ochakovskaya".

of M. Miyakawa in the Computer Center.

on sending to Japan technical literature purchased by M. Miyakawa in Novosibirsk.

with the author's impressions on his visit to the USSR.

of the FCT-87 conference sent by M. Miyakawa to A. Ershov.

"Construction of Efficient Decision Trees" delivered to the FTC 87 conference. (The text presented to Ershov.)

In addition to letters of March, 15 and 23, schedule of the trip to the USSR is given.

of the paper by M.Miyakawa submitted to Acta Informatica

The author acknowledges interest in prospective visit of the addressee, and sends him several papers

Very interesting letter written in reply to A.P.Ershov's paper "Some subjective remarks to actual problems of programming".

confirms receiving Marchuk's and Ershov's letters.

in addition to letters from March 15 and 23, the author gives new information concerning his trip to the USSR.

Request to sent official confirmation of the readiness to take the author as a visiting researcer, since it will be of great help in passing the selection examination