?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Mahir&rft.au=Had%C5%BEi%C4%87%2C+Mahir&rft.aulast=Had%C5%BEi%C4%87&rft.title=Quarterly+of+Applied+Mathematics&rft.date=17+November+2022&rft.atitle=Star+dynamics%3A+Collapse+vs.+expansion&rft.genre=article