@article{SM_2016_207_10_a4,
     author = {V. V. Kozlov and D. V. Treschev},
     title = {Topology of the configuration space, singularities of the~potential, and polynomial integrals of equations of dynamics},
     journal = {Sbornik. Mathematics},
     pages = {1435--1449},
     publisher = {mathdoc},
     volume = {207},
     number = {10},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_10_a4/}
}