TY  - JOUR
AU  - V. S. Yarunin
TI  - The two-branch spectrum of excitations of the Bose-condensate
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1995
SP  - 310
EP  - 317
VL  - 224
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1995_224_a23/
LA  - ru
ID  - ZNSL_1995_224_a23
ER  -