Nedyalkov Аркадий Петрович, Aleksandrov Евгений Борисович, and Blokhin Александр Николаевич. 2011. “Analytical Study of Kinematic Schemes of Multiple-Speed Gearbox Planetary Demultiplicators and Determination of the Planetary Mechanism Optimal Parameters”. Vestnik IzhGTU Imeni M.T. Kalashnikova, no. 2 (June):39-43. https://izdat.istu.ru/index.php/vestnik/article/view/2247.