%0 Journal Article %A N. M. Bogoliubov %T Time-dependent correlation functions for a bimodal Bose–Hubbard model %J Zapiski Nauchnykh Seminarov POMI %D 2015 %P 65-77 %V 433 %U http://geodesic.mathdoc.fr/item/ZNSL_2015_433_a3/ %G ru %F ZNSL_2015_433_a3