How many papers did the authors of 'Even Pairs in Claw-Free Perfect Graphs' publish in J. Comb. Theory, Ser. B?
How many publications did the authors of the paper 'Even Pairs in Claw-Free Perfect Graphs' publish in J. Comb. Theory, Ser. B?
SELECT DISTINCT (COUNT(?answer) AS ?count) WHERE { <https://dblp.org/rec/journals/jct/SalesM98> <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#authoredBy> ?x . ?answer <https://dblp.org/rdf/schema#publishedIn> 'J. Comb. Theory, Ser. B' }
<https://dblp.org/rec/journals/jct/SalesM98>