@article{PIM_1972_N_S_14_28_a1,
     author = {Aleksandar Bak\v{s}a},
     title = {On {The} {Atability} {Of} {Various} {Equilibrium} {And} {Stationary} {Motion} {Of} {Nonholonomic} {Systems}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {9 },
     publisher = {mathdoc},
     volume = {_N_S_14},
     number = {28},
     year = {1972},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_14_28_a1/}
}