Was a paper not not co-authored by Rubin A. Parekhji and K. Nikila?
Didn't Rubin A. Parekhji and K. Nikila not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/23/3304> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/35/3812> }
<https://dblp.org/pid/23/3304> <https://dblp.org/pid/35/3812>