Multi-messenger standard-siren cosmology for third-generation gravitational-wave detectors: forecasts considering observations of gamma-ray bursts and kilonovaeTao Han, Jing-Fei Zhang and Xin ZhangEur. Phys. J. C, 86 1 (2026) 8DOI: https://doi.org/10.1140/epjc/s10052-025-15114-9