@article{RM_2015_70_6_a4,
     author = {A. V. Borisov and I. S. Mamaev},
     title = {Equations of motion of non-holonomic systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1167--1169},
     publisher = {mathdoc},
     volume = {70},
     number = {6},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2015_70_6_a4/}
}