Computer simulation the moldboard's surface in simplex system Тojiddin Juraev, Denis Voloshinov, Rustam Xujakulov, Abdurahim Qahharov and Dilorom Ubaydullayeva E3S Web Conf., 264 (2021) 01029 Published online: 02 June 2021 DOI: 10.1051/e3sconf/202126401029