Scalarized non-topological neutron stars in multi-scalar Gauss–Bonnet gravity Kalin V. Staykov and Radostina Z. Zheleva Eur. Phys. J. C, 82 2 (2022) 108 Published online: 04 February 2022 DOI: 10.1140/epjc/s10052-022-10046-0