1. Team learning as a game;Ambainis,1997
2. Unions of identifiable classes of total recursive functions;Apsı̄tis,1992
3. J. Bārzdiņš, Two theorems on the limiting synthesis of functions, in: J. Bārzdiņš (Ed.), Theory of Algorithms and Programs, vol. 1, Latvian State University, Rı̄ga, 1974, pp. 82–88 (in Russian.)
4. On the prediction of general recursive functions;Bārzdiņš;Soviet Math. Dokl.,1972
5. Toward a mathematical theory of inductive inference;Blum;Inform. and Control,1975