@inproceedings{DBLP:conf/fapr/SchaubT96,
title = {Skeptical Query-Answering in Constrained Default Logic},
author = {Schaub, Torsten and Thielscher, Michael},
booktitle = {{FAPR}},
pages = {567--581},
publisher = {Springer},
series = {Lecture Notes in Computer Science},
volume = {1085},
year = {1996}
}