Searching for the 1 mHz variability in the flickering of V4743 Sgr: A cataclysmic variable accreting at a high rateA. Dobrotka, M. Orio, D. Benka and A. VanderburgA&A, 649 (2021) A67DOI: https://doi.org/10.1051/0004-6361/202039742