SHERBON, M. A. Fine-structure constant from Sommerfeld to Feynman. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 16, n. 1, p. 335–343, 2019. DOI: 10.24297/jap.v16i1.8402. Disponível em: https://rajpub.com/index.php/jap/article/view/8402. Acesso em: 22 dec. 2024.