@article{VSGU_2016_3-4_a6,
     author = {M. V. Shamolin},
     title = {Cases of integrability corresponding to the pendulum motion in three-dimensional space},
     journal = {Vestnik Samarskogo universiteta. Estestvennonau\v{c}na\^a seri\^a},
     pages = {75--97},
     year = {2016},
     number = {3-4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGU_2016_3-4_a6/}
}