%0 Journal Article %A Yong Chen %A Zhenya Yan %A Hongqing Zhang %T Exact Solutions for a Family of Variable-Coefficient “Reaction–Duffing” Equations via the Bäcklund Transformation %J Teoretičeskaâ i matematičeskaâ fizika %D 2002 %P 90-96 %V 132 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_2002_132_1_a4/ %G ru %F TMF_2002_132_1_a4