Gottlob, G., Leone, N., & Veith, H. (1995). Second Order Logic and the Weak Exponential Hierarchies. Springer.
Dyfyniad Arddull ChicagoGottlob, G., N. Leone, and H. Veith. Second Order Logic and the Weak Exponential Hierarchies. Springer, 1995.
Dyfyniad MLAGottlob, G., et al. Second Order Logic and the Weak Exponential Hierarchies. Springer, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.