Design solutions overview of single-stage universal gear reducers Milan Rackov, Siniša Kuzmanović, Ivan Knežević, Maja Čavić, Marko Penčić, Vladimir B. Algin, Victor E. Starzhinsky and Sergey V. Shil’ko MATEC Web Conf., 317 (2020) 01005 Published online: 03 August 2020 DOI: 10.1051/matecconf/202031701005