%0 Journal Article %A N. E. Bogdanova %A V. N. Popov %T Two-dimensional field theory with several condensed phases %J Teoretičeskaâ i matematičeskaâ fizika %D 1981 %P 325-334 %V 46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1981_46_3_a6/ %G ru %F TMF_1981_46_3_a6