Who are the co-authors of Antonio Ruiz-Mart\u00EDnez?
With which other authors has the author A. Ruiz-Mart\u00EDnez written papers?
SELECT DISTINCT ?answer WHERE { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/28/2375> . ?x <https://dblp.org/rdf/schema#authoredBy> ?answer FILTER(?answer != <https://dblp.org/pid/28/2375>) }
<https://dblp.org/pid/28/2375>