@article{IM2_1990_34_3_a2,
     author = {V. V. Kozlov and D. V. Treschev},
     title = {Polynomial integrals of {Hamiltonian} systems with exponential interaction},
     journal = {Izvestiya. Mathematics},
     pages = {555--574},
     year = {1990},
     volume = {34},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1990_34_3_a2/}
}