%0 Journal Article %A Miguel Aguado %A Manuel Asorey %T Phase transitions and theta vacuum energy %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 2011 %P 9-19 %V 272 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_2011_272_a1/ %G en %F TM_2011_272_a1