The record of a talk with A.A. Liapunov in January 1956.

of the article on operator algorithms

"Operator algorithms"

"Final definition of a computational algorithm"

titled "Preliminary reasoning" (on operator algorithms)

classified as "expired".

of the paper "Computational algorithms"

"Computational algorithms" (first version, handwritten copy)

"Computational algorithms" (typewritten copy)

of the article "Operator algorithms. I. (Main notions)", Problemy Kibernetiki, vol.3

"On operator algorithms" published in "Doklady Akademii Nauk", Vol.122, №6, 1958.

of the paper "Operator algorithms - 1"