@article{ND_2019_15_3_a9,
     author = {G. V. Gorr and D. N. Tkachenko and E. K. Shchetinina},
     title = {Research on the {Motion} of a {Body} in a {Potential} {Force} {Field} in the {Case} of {Three} {Invariant} {Relations}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {327--342},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2019_15_3_a9/}
}