Was a paper not not co-authored by E. Ann Patitsas and Alex M. Andrew?
Didn't E. Ann Patitsas and Alex M. Andrew not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/52/10988> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/24/1735> }
<https://dblp.org/pid/52/10988> <https://dblp.org/pid/24/1735>