a typed rough copy of the paper to "Doklady Akademii Nauk" (Reports of the USSR Akademy of Sciences)

notes to "Acta Cybernetica"

"Mixed Computation in the Class of Recursive Program Schemata"

a hand-written variant of the paper "Mixed computation in the class of program recursive schemes"

a draft of the connected text of the paper "Mixed computation in the class of program recursive schemes"

rough notes about REFAL and the Ackermann function

mixed computation; preparatory material for the first variant

The letter treats problems of mixed computation. The attachments contain the author's articles on its application to LISP.