Who are the authors of the publication 'Complex calculus of variations' and what other papers did they publish?
Find the authors of 'Complex calculus of variations' and the other papers they published.
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { <https://dblp.org/rec/journals/kybernetika/GondranS03> <https://dblp.org/rdf/schema#authoredBy> ?firstanswer . ?secondanswer <https://dblp.org/rdf/schema#authoredBy> ?firstanswer FILTER (?secondanswer != <https://dblp.org/rec/journals/kybernetika/GondranS03>) }
<https://dblp.org/rec/journals/kybernetika/GondranS03>