Didn't Eduardo Peis and Jos\u00E9 M. Morales-del-Castillo not co-author a paper?
Was a paper not not co-authored by Eduardo Peis and Jos\u00E9 M. Morales-del-Castillo?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/68/6101> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/08/4412> }
<https://dblp.org/pid/68/6101> <https://dblp.org/pid/08/4412>