CHEN, Ziyue. Friedmann Equation in Era of Multi-Messenger Astronomy: Neutrinos, Gravitational Waves and Cosmic Rays. Academic Journal of Science and Technology, [S. l.], v. 19, n. 3, p. 254–259, 2026. DOI: 10.54097/n8ags187. Disponível em: https://drpress.org/ojs/index.php/ajst/article/view/33326. Acesso em: 24 jun. 2026.