Which author named Pawel published the paper on Permutation graphs?
Name the author who published the paper on Permutation graphs and has the name Pawel.
SELECT DISTINCT ?answer WHERE { <https://dblp.org/rec/journals/dm/AcanH16> <https://dblp.org/rdf/schema#authoredBy> ?answer }
<https://dblp.org/rec/journals/dm/AcanH16>