It is the first letter about Panel discussion "Tough Nuts of Computer Science".

Joris Hartmanis thanks Ershov for the letter about Panel Discussion and "would be honored by an invitation to participate"

on the panel discussion "Tough Nuts of Computer Science"

to the list of potential participants of the panel and to the comments on the panel discussion "Tough Nuts of Computer Science".

Formal invitation to attend the 9th World Computer Congress and to participate in the Panel discussion.

confirming "Springer-Verlag" interest in publishing the Proceedings

Pr. Juris Hartmanis confirms his participation in the panel discussion.

Andrei P. Ershov informs the panelists about the date and time of the panel discussion.

The concise description of position statements of the panelists. (Handwritten and typewritten texts.)

Juris Hartmanis is delighted with Ershov's "very nice summary of Tough Nuts of Computer Science".

Participants of a Panel "Tough Nuts of Computer Science".

A.Ershov sends the list of his panelists.

Janos Simon informs of the 1983 SIGACT elections for the four elected posts. The letter includes a ballot, biographical sketches and objectives of candidates.

Brief notes on the speeches of Byorner, BliKle, Hartmanis and McCarty.

thanks for information and invitation, plans to come and proposes a topic for discussion

Covering letter and author's CV and reprints of his papers, sent in preparation of the author's visit to Novosibirsk