TY - JOUR T1 - On asymptotic expansions in spin-boson models JF - Ann. Henri Poincaré Y1 - 2018 A1 - Bräunlich, Gerhard A1 - Hasler, David A1 - Markus Lange VL - 19 UR - https://doi.org/10.1007/s00023-017-0625-7 ER -