Robuta

https://www.osti.gov/pages/biblio/1532491-prospect-studying-nonperturbative-qed-beam-beam-collisions
The U.S. Department of Energy's Office of Scientific and Technical Information
prospectstudyingnonperturbativeqedbeam
https://www.arxiv.org/abs/hep-ph/0005241
Abstract page for arXiv paper hep-ph/0005241: Nonperturbative infrared dynamics of three-dimensional QED with a four-fermion interaction
three dimensionalhepphnonperturbativeinfrared