Quasi-periodic oscillation detected in γ-rays in blazar PKS 0346−27 Raj Prince, Anuvab Banerjee, Ajay Sharma, Avik Kumar das, Alok C. Gupta and Debanjan Bose A&A, 678 (2023) A100 Published online: 12 October 2023 DOI: 10.1051/0004-6361/202346400