?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=B%C3%A1r%C3%A1ny%2C+Imre&rft.aufirst=Imre&rft.aulast=B%C3%A1r%C3%A1ny&rft.title=Mathematica+Slovaca&rft.pages=717-722&rft.date=25+June+2024&rft.atitle=Positive+bases%2C+cones%2C+Helly-type+theorems&rft.issue=3&rft.volume=74&rft.genre=article