List the authors of 'Convergence analysis of penalty based numerical methods for constrained inequality problems' and the other papers they published.
Who are the authors of 'Convergence analysis of penalty based numerical methods for constrained inequality problems' and which other papers did they publish?
SELECT DISTINCT ?firstanswer ?secondanswer WHERE { <https://dblp.org/rec/journals/nm/HanS19> <https://dblp.org/rdf/schema#authoredBy> ?firstanswer . ?secondanswer <https://dblp.org/rdf/schema#authoredBy> ?firstanswer FILTER (?secondanswer != <https://dblp.org/rec/journals/nm/HanS19>) }
<https://dblp.org/rec/journals/nm/HanS19>