Have B. Sivakumar and Benjamin Rosman not co-authored the paper 'Two-commodity inventory system with retrial demand'?
Was the paper 'Two-commodity inventory system with retrial demand' not co-authored by B. Sivakumar and Benjamin Rosman?
ASK { <https://dblp.org/rec/journals/eor/Sivakumar08> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/78/5338> . <https://dblp.org/rec/journals/eor/Sivakumar08> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/45/4591> FILTER NOT EXISTS { <https://dblp.org/rec/journals/eor/Sivakumar08> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/78/5338> . <https://dblp.org/rec/journals/eor/Sivakumar08> <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/45/4591> } }
<https://dblp.org/pid/78/5338> <https://dblp.org/pid/45/4591> <https://dblp.org/rec/journals/eor/Sivakumar08>