Anisotropic solution for polytropic stars in 4D Einstein–Gauss–Bonnet gravity Ksh. Newton Singh, S. K. Maurya, Piyali Bhar and Riju Nag Eur. Phys. J. C, 82 9 (2022) 822 Published online: 16 September 2022 DOI: 10.1140/epjc/s10052-022-10766-3