Chen Sen NIAN. Differential Equation of Particle Motion with Helical Structure. New Trends in Physical Science Research Vol. 6, [S. l.], p. 1–11, 2022. DOI: 10.9734/bpi/ntpsr/v6/3068B. Disponível em: https://stm.bookpi.org/NTPSR-V6/article/view/7207. Acesso em: 3 jun. 2026.