Anticommuting (anti-)BRST symmetries in FLRW model: supervariable approach Aradhya Shukla, Dharm Veer Singh and R. Kumar Eur. Phys. J. Plus, 139 2 (2024) 201 Published online: 29 February 2024 DOI: 10.1140/epjp/s13360-024-05010-8