3 citations to https://www.mathnet.ru/eng/semr97
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V. N. Berestovskii, I. A. Zubareva, “Extremals of a left-invariant sub-finsler metric on the engel group”, Siberian Math. J., 61:4 (2020), 575–588
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Berestovskii V.N., “Curvatures of Homogeneous Sub-Riemannian Manifolds”, Eur. J. Math., 3:4, SI (2017), 788–807
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V. N. Berestovskiǐ, “Universal methods of the search of normal geodesics on Lie groups with left-invariant sub-Riemannian metric”, Siberian Math. J., 55:5 (2014), 783–791