to the plenary talk "Software for research in artificial intelligence" (handwritten)

to the plenary talk "Software for research in artificial intelligence" (typewritten)

of the talk "AI research and development in Japan" (handwritten)

of the talk "AI research and development in Japan" (typewritten)

of the plenary talk "Software for research in artificial intelligence" (handwritten)

addressed to Ershov at the symposium

of the section "Software for AI problems. Human-computer interactin in natural language" of the Tbilisi symposium

of paper titles (handwritten)