Long photometric cycle and disk evolution in the β Lyrae-type binary OGLE-BLG-ECL-157529 R. E. Mennickent, J. Garcés, G. Djurašević, P. Iwanek, D. Schleicher, R. Poleski and I. Soszyński A&A, 641 (2020) A91 Published online: 15 September 2020 DOI: 10.1051/0004-6361/202038110