Riccardo Rosati.
In Proceedings of the IJCSLP-96 Workshop on Deductive Databases and Logic Programming (DDLP-96), pages 107-118, GMD-Studien 265, 1996.
@Inproceedings{Rosa96b, author = {Rosati, Riccardo}, title = {On the complexity of reasoning with negation as failure}, booktitle = {Proceedings of the IJCSLP-96 Workshop on Deductive Databases and Logic Programming (DDLP-96)}, pages = {107--118}, publisher = {GMD-Studien 265}, year = {1996}, }