TY  - JOUR
AU  - Lea Boßmann
AU  - Sören Petrat
AU  - Robert Seiringer
TI  - Asymptotic expansion of low-energy excitations for weakly interacting bosons
JO  - Forum of Mathematics, Sigma
PY  - 2021
VL  - 9
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1017/fms.2021.22/
DO  - 10.1017/fms.2021.22
LA  - en
ID  - 10_1017_fms_2021_22
ER  -