Evolution of skewness and kurtosis of cosmic density fields Jaan Einasto, Anatoly Klypin, Gert Hütsi, Lauri-Juhan Liivamägi and Maret Einasto A&A, 652 (2021) A94 Published online: 17 August 2021 DOI: 10.1051/0004-6361/202039999