@article{ND_2015_11_2_a7,
     author = {A. P. Ivanov},
     title = {On the control of a robot-ball using two omni-wheels},
     journal = {Russian journal of nonlinear dynamics},
     pages = {319--327},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2015_11_2_a7/}
}