Beigel Richard, Gasarch William I., and Hay Louise. Bounded query classes and the difference hierarchy. Archive for mathematical logic, vol. 29 no. 2 (1989), pp. 69–84.
Krom, MelvenVolume:
58
Language:
english
Journal:
The Journal of Symbolic Logic
DOI:
10.2307/2275349
Date:
March, 1993
File:
PDF, 342 KB
english, 1993