SHARMA, S.K.; DHUNGEL, P.R.; KHANAL, U. Klein Gordon Field in FLRW Space-Time. Scientific World, [S. l.], v. 13, n. 13, p. 1–4, 2020. DOI: 10.3126/sw.v13i13.30480. Disponível em: https://www.nepjol.info/index.php/SW/article/view/30480. Acesso em: 6 dec. 2025.