@article{TMF_2020_202_1_a10,
     author = {Xue Tian and Yi Zhang},
     title = {Adiabatic invariants of {Herglotz} type for perturbed nonconservative {Lagrangian} systems},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {143--154},
     publisher = {mathdoc},
     volume = {202},
     number = {1},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2020_202_1_a10/}
}