@article{TMF_2013_175_2_a4,
     author = {A. Yu. Anikin},
     title = {Librations and ground-state splitting in a~multidimensional double-well problem},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {193--205},
     year = {2013},
     volume = {175},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2013_175_2_a4/}
}