%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 B\"acklund Transformation %J Teoretičeskaâ i matematičeskaâ fizika %D 2002 %P 90-96 %V 132 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2002_132_1_a4/ %G ru %F TMF_2002_132_1_a4