?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Targonskii%2C+A.+L.&rft.aulast=Targonskii&rft.aufirst=A.+L.&rft.issue=2&rft.volume=24&rft.date=2016&rft.atitle=Extremal+problem+on+(2n%2C+2m+%E2%88%92+1)-system+points+on+the+rays&rft.title=An.+St.+Univ.+Ovidius+Constanta&rft.pages=283-299&rft.genre=article