%0 Journal Article %A A. I. Sokolov %T Fluctuations, higher anharmonisms, and the~Ginzburg--Landau--Devonshire expansion for barium titanate %J Teoretičeskaâ i matematičeskaâ fizika %D 2011 %P 253-258 %V 169 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2011_169_2_a6/ %G ru %F TMF_2011_169_2_a6