@article{FAA_1970_4_1_a5,
     author = {S. G. Krein and A. M. Shikhvatov},
     title = {Linear differential equations on a {Lie} group},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {52--61},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1970_4_1_a5/}
}