Fèvre R, Dijon F. Two Cosmological Hypotheses: The Friedmann-Planck Micro-Universes for Vacuum Particles, The Schwarzschild Photon Spheres for Elementary Particles. EJAS [Internet]. 2021 Dec. 2 [cited 2026 May 30];9(6):211-28. Available from: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8114