Didn't Carlos Velasco and Juan-Carlos Escanciano not co-author a paper?
Was a paper not not co-authored by Carlos V. and Juan-Carlos Escanciano?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/08/2083> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/96/7213> }
<https://dblp.org/pid/08/2083> <https://dblp.org/pid/96/7213>