%0 Journal Article %A D. P. Sankovich %T Rigorous results of phase transition theory in lattice boson models %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2015 %P 335-343 %V 290 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2015_290_a27/ %G ru %F TM_2015_290_a27