@article{TMF_2002_132_1_a4,
     author = {Yong Chen and Zhenya Yan and Hongqing Zhang},
     title = {Exact {Solutions} for {a~Family} of {Variable-Coefficient} {``Reaction--Duffing''} {Equations} via the {B\"acklund} {Transformation}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {90--96},
     publisher = {mathdoc},
     volume = {132},
     number = {1},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2002_132_1_a4/}
}