TY - JOUR AU - Vladimir Dragović AU - Borislav Gajić AU - Božidar Jovanović TI - Demchenko's nonholonomic case of a gyroscopic ball rolling without sliding over a sphere after his 1923 Belgrade doctoral thesis JO - Theoretical and applied mechanics PY - 2020 SP - 257 VL - 47 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM201106015D/ DO - 10.2298/TAM201106015D LA - en ID - 10_2298_TAM201106015D ER -