@article{DAN_1974_215_6_a9,
     author = {Yu. S. Sysoev},
     title = {On differential equations on a {Lie} group},
     journal = {Doklady Akademii Nauk},
     pages = {1317--1320},
     publisher = {mathdoc},
     volume = {215},
     number = {6},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_6_a9/}
}