@article{SM_2016_207_7_a1,
     author = {I. Yu. Beschastnyi and Yu. L. Sachkov},
     title = {Geodesics in the {sub-Riemannian} problem on the group $\mathrm{SO}(3)$},
     journal = {Sbornik. Mathematics},
     pages = {915--941},
     publisher = {mathdoc},
     volume = {207},
     number = {7},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_7_a1/}
}