@article{ND_2019_15_4_a17,
     author = {Yu. L. Sachkov and E. F. Sachkova},
     title = {Symmetries and {Parameterization} of {Abnormal} {Extremals} in the {Sub-Riemannian} {Problem} with the {Growth} {Vector} (2, 3, 5, 8)},
     journal = {Russian journal of nonlinear dynamics},
     pages = {577--585},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ND_2019_15_4_a17/}
}