%0 Journal Article %A E. E. Tareeva %T Phase transition with change of symmetry as bifurcation of the solution of a nonlinear integral equation %J Teoretičeskaâ i matematičeskaâ fizika %D 1974 %P 343-353 %V 21 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1974_21_3_a5/ %G ru %F TMF_1974_21_3_a5