?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=%D0%A1%D1%83%D0%BB%D0%B8%D0%BC%D0%B0%2C+%D0%90%D0%BB%D0%BB%D0%B0&rft.aulast=%D0%A1%D1%83%D0%BB%D0%B8%D0%BC%D0%B0&rft.aufirst=%D0%90%D0%BB%D0%BB%D0%B0&rft.date=2017&rft.issn=2247+-+806X&rft.atitle=Effectiveness+of+the+application+of+the+endogenous-hypoxic+breathing+technique+in+the+physical+training+of+the+qualified+field+hockey+players&rft.title=Journal+of+Physical+Education+and+Sport&rft.pages=2553-2560&rft.genre=article