Vervejko, K., Drushliak, V., Kizilova, N. and Koryakina, O. 2022. Fractal structures and mechanical properties of ammonite shells. Bulletin of V.N. Karazin Kharkiv National University, series «Mathematical modeling. Information technology. Automated control systems». 53, (Apr. 2022), 6-11. DOI:https://doi.org/10.26565/2304-6201-2022-53-01.