Was a paper not not co-authored by Benjam\u00EDn R. C. Bedregal and Ant\u00F4nio Carlos da Rocha Costa?
Didn't B. R. C. Bedregal and Ant\u00F4nio Carlos da Rocha Costa not co-author a paper?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/32/3731> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/36/5618> }
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