Avchiev, Shukhrat, Juraeva Khusnora, Dilafruzkhon Tagaeva, Maknona Xamidova, and Akmaljon Yuldashev. 2020. “Theoretical Research of Properties of Paraboloid Surfaces With the Purpose of Substantiation of the Optimal Method of Adjustment of the Facets of the Concentrator”. International Journal of Psychosocial Rehabilitation 24 (5): 99-104. https://doi.org/10.61841/1e5s2536.