What are the papers written by Liu, Yepang and Jun Yan together?
Find the papers written by Yepang Liu and Yan, J. together.
SELECT DISTINCT ?answer WHERE { ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/125/1824> . ?answer <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/89/5901-9> }
<https://dblp.org/pid/125/1824> <https://dblp.org/pid/89/5901-9>