Geodesic
Chronological algebras and nonstationary vector fields
Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara, Itogi Nauki i Tekhniki. Seriya "Problemy Geometrii", Tome 11 (1980), pp. 135-176 
A. A. Agrachev; R. V. Gamkrelidze. Chronological algebras and nonstationary vector fields. Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara, Itogi Nauki i Tekhniki. Seriya "Problemy Geometrii", Tome 11 (1980), pp. 135-176. http://geodesic.mathdoc.fr/item/INTG_1980_11_a3/
@article{INTG_1980_11_a3,
     author = {A. A. Agrachev and R. V. Gamkrelidze},
     title = {Chronological algebras and nonstationary vector fields},
     journal = {Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara},
     pages = {135--176},
     year = {1980},
     volume = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTG_1980_11_a3/}
}
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AU  - R. V. Gamkrelidze
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%A R. V. Gamkrelidze
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%D 1980
%P 135-176
%V 11
%U http://geodesic.mathdoc.fr/item/INTG_1980_11_a3/
%G ru
%F INTG_1980_11_a3

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