1. Structural Complexity I;Balcázar,1988
2. The complexity of algorithmic problems on succinct instances;Balcázar,1992
3. Predicate classes and promise classes;Borchert,1994
4. Complexity classes and sparse oracles;Bovet,1991
5. A uniform approach to define complexity classes;Bovet;Theoret. Comput. Sci.,1992