@article{1103921488, author = {Davies, E. B.}, title = {The twisting trick for double well Hamiltonians}, journal = {Comm. Math. Phys.}, volume = {83}, number = {1}, year = {1982}, pages = { 471-479}, language = {en}, url = {http://dml.mathdoc.fr/item/1103921488} }
Davies, E. B. The twisting trick for double well Hamiltonians. Comm. Math. Phys., Tome 83 (1982) no. 1, pp. 471-479. http://gdmltest.u-ga.fr/item/1103921488/