2 citations to https://www.mathnet.ru/rus/vuu511

1. Ivanova T.B., Karavaev Yu.L., Kilin A.A., “Control of a Pendulum-Actuated Spherical Robot on a Horizontal Plane With Rolling Resistance”, Arch. Appl. Mech., 92:1 (2022), 137–150        
2. Alexander A. Kilin, Elena N. Pivovarova, “The Rolling Motion of a Truncated Ball Without Slipping and Spinning on a Plane”, Regul. Chaotic Dyn., 22:3 (2017), 298–317