Nonlinear Simulation of the Hydrogen Atom Based on the Model of the Elliptic Oscillator. Neliniini Kolyvannya, [S. l.], v. 4, n. 3, p. 376–388, 2001. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/181. Acesso em: 22 jan. 2026.