SKRYPNIK, W. I. On Holomorphic Solutions of the Darwin Equations of Motion of Point Charges. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 4, p. 546–554, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2438. Acesso em: 5 dec. 2025.