TY  - JOUR
AU  - I. V. Stasyuk
AU  - O. V. Velichko
TI  - Bose--Einstein condensation in the~excited band and the~energy spectrum of the~Bose--Hubbard model
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 2011
SP  - 571
EP  - 583
VL  - 168
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_2011_168_3_a15/
LA  - ru
ID  - TMF_2011_168_3_a15
ER  -