?url_ver=Z39.88-2004&rft_id=10.1007%2Fs00165-016-0363-5&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Silvia&rft.aulast=Ghilezan&rft.au=Ghilezan%2C+Silvia&rft.issn=0934-5043&rft.issue=4&rft.pages=643-667&rft.volume=28&rft.date=2016&rft.atitle=Dynamic+role+authorization+in+multiparty+conversations&rft.title=Formal+Aspects+of+Computing&rft.genre=article