Media type: E-Article Title: Spherically symmetric perturbations of a Schwarzschild black hole in torsion bigravity Contributor: Nikiforova, Vasilisa Published: American Physical Society (APS), 2021 Published in: Physical Review D, 104 (2021) 2 Language: English DOI: 10.1103/physrevd.104.024032 ISSN: 2470-0010; 2470-0029 Origination: Footnote: