@article{CC_2009_38_4B_a8,
     author = {Krastanov, Mikhail Ivanov},
     title = {High-order variations and small-time local attainability},
     journal = {Control and Cybernetics},
     pages = {1411--1427},
     publisher = {mathdoc},
     volume = {38},
     number = {4B},
     year = {2009},
     zbl = {1236.49053},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4B_a8/}
}