@article{MT_2006_9_1_a0,
     author = {A. V. Gavrilov},
     title = {Algebraic {Properties} of {Covariant} {Derivative} and {Composition} of {Exponential} {Maps}},
     journal = {Matemati\v{c}eskie trudy},
     pages = {3--20},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2006_9_1_a0/}
}