Rationale of the quantity of soil-cutting stars and working body of soil rotary knivesAbdulkhay Obidov, Mamaraym Turakulov, Valijon Ermatov and Abdurakhmon YusufalievE3S Web Conf., 284 (2021) 02011DOI: https://doi.org/10.1051/e3sconf/202128402011