%0 Journal Article %A V. M. Nabutovskii %A E. V. Kholopov %T Influence of the interaction energy terms quadratic in the deformations on the nature of phase transitions %J Teoretičeskaâ i matematičeskaâ fizika %D 1976 %P 376-381 %V 26 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1976_26_3_a9/ %G ru %F TMF_1976_26_3_a9