Non-radial oscillations in anisotropic dark energy stars O. P. Jyothilakshmi, Lakshmi J. Naik and V. Sreekanth Eur. Phys. J. C, 84 4 (2024) 427 Published online: 24 April 2024 DOI: 10.1140/epjc/s10052-024-12776-9