@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/