to a rather rude letter from Borislav (L'vov region)

in reply to the letter from Borislav with to-the-point answers to the author's remarks

sequential to the first rude letter of the same author

with concluding remarks to the dialog with the addressee

The answer to censorious remarks on the new manual of informatics. /Handwritten text./

Reply to a reader who was dissatisfied with the Yurii Zhuravlev's theory presented by the journal "Znanie-sila". /Handwritten text./