@article{TAM_1994_20_1_a15,
     author = {Valentin V. Rumyantsev},
     title = {On {Poincarje-Chetaev's} equations},
     journal = {Theoretical and applied mechanics},
     pages = {189 },
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1994_20_1_a15/}
}