@article{AIHPA_1981__34_4_405_0,
     author = {Klaus, M.},
     title = {Some remarks on double-wells in one and three dimensions},
     journal = {Annales de l'institut Henri Poincar\'e. Section A, Physique Th\'eorique},
     pages = {405--417},
     publisher = {Gauthier-Villars},
     volume = {34},
     number = {4},
     year = {1981},
     mrnumber = {625171},
     zbl = {0474.35041},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1981__34_4_405_0/}
}