2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54556A new version of application Pauli-Villars regularized Green functions in the quantum field theory using higher derivatives is proposed. In this version the regularizing mass $M$ is large but finite. Our approach is demonstrated and discussed on the example of QED. It is shown that in our case there are no ultraviolet divergences and - on the example of the selfenergy spinor Feynman diagram - no infrared ones.20 pages, latex, no figuresHigh Energy Physics - Theorytext