@article{VMUMM_1994_2_a12,
     author = {L. E. Evtushik},
     title = {Non-Euclidean geometries based on higher-order ordinary differential systems},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {86--98},
     publisher = {mathdoc},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1994_2_a12/}
}