Was a paper not not co-authored by M. A. Nacenta and Haber, J.?
Didn't Miguel A. Nacenta and Haber, J. not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/10/6760> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/07/10404> }
<https://dblp.org/pid/10/6760> <https://dblp.org/pid/07/10404>