Neutron stars in extended scalar-Gauss–Bonnet gravity: the richness of the solution spectrum Kalin V. Staykov, Peter Y. Yordanov, Daniela D. Doneva and Stoytcho S. Yazadjiev Eur. Phys. J. C, 84 12 (2024) 1324 Published online: 27 December 2024 DOI: 10.1140/epjc/s10052-024-13704-7