1. Structural Complexity;Balcazar,1988
2. Complexity of programs which recognize whether natural numbers not exceeding n belong to a recursively enumerable set;Barzdin;Dokl. Akad. Nauk SSSR,1968
3. On the size of machines;Blum;Inform. Control,1967
4. Generalized Kolmogorov complexity and duality in theory of computations;Burgin;Notices Acad. Sci. USSR,1982
5. Inductive Turing machines;Burgin;Notices Acad. Sci. USSR,1983