%0 Journal Article %A A. V. Radievsky %A A. E. Filippov %T Evolution of free-energy expansion parameters in the critical region. An~exactly solvable model %J Teoretičeskaâ i matematičeskaâ fizika %D 1991 %P 442-448 %V 88 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1991_88_3_a8/ %G ru %F TMF_1991_88_3_a8