@article{VTAMU_2021_26_135_a0,
     author = {S. Benarab},
     title = {On {Chaplygin's} theorem for an implicit differential equation of order~$n$},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {225--233},
     publisher = {mathdoc},
     volume = {26},
     number = {135},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2021_26_135_a0/}
}