The evolution of high-density cores of the BOSS Great Wall superclusters Maret Einasto, Peeter Tenjes, Mirt Gramann, Heidi Lietzen, Rain Kipper, Lauri Juhan Liivamägi, Elmo Tempel, Shishir Sankhyayan and Jaan Einasto A&A, 666 (2022) A52 Published online: 04 October 2022 DOI: 10.1051/0004-6361/202142938