for authors of the "Mathematical encyclopaedia" articles and non-filled author's card

Reminder of the necessity to respond more promptly to the Encyclopedia of Cybernetics articles send for review.

reminding about the deadline for the Encyclopedia articles and asking Ershov to inform the editors of his ability to write them in time (maybe with the help of a co-author)

author's fee for the article in the Encyclopedia of Cybernetics

Request to take part in preparation of the Encyclopedia of Cybernetics as a scientific adviser for the “Programming” section.

Request to inform of consent to review main articles of the “Programming” section for the Encyclopedia of Cybernetics.

Information about sending the Encyclopedia of Cybernetics articles for reviewing

Thanks for participation in creation of the Encyclopedia of Cybernetics.

fee for an article for the Encyclopedia of Cybernetics

Request to speed up sending over the articles for Encyclopedia of Cybernetics

Request to look through four articles for the Encyclopedia of cybernetics and mark them up

Because of Ershov's refusal to write the articles the author asks to recommend another authors. The author card is enclosed

for writing the articles for the Encyclopedia of Cybernetics