Eiter, T., Gottlob, G., & Gurevich, Y. (1996). Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems.
Cita Chicago (17th ed.)Eiter, T., G. Gottlob, i Y. Gurevich. Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems. 1996.
Cita MLA (9th ed.)Eiter, T., et al. Normal Forms for Second−Order Logic over Finite Structures‚ and Classification of NP Optimization Problems. 1996.
Atenció: Aquestes cites poden no estar 100% correctes.