confirmation of sending the article

Thanks for the Christmas greetings and tells of his plans for visiting Holland and hopes for a meeting

informing of the plans to meet in Netherlands at the IFIP Conference

informing of the intention to stay on

Acceptance of invitation to Florence

Request to substitute A. Sandwell because he can not attend the panel discussion

informing Prof. Zemanek that during his USSR visit Ershov will be in Vladivostok

about arrival to Paris

about the idea of the conference on logics and programming

Thanks for the invitation to the conference; intends to participate

Information about the trip to Florence

turns down the invitation to the seminar with regret; proposes two other potential participants

Accepting the invitation with gratitude

with the requested information about Dr. B.I. Rameev