%0 Journal Article %A V. A. Andreev %A M. V. Burova %T Lower Korteweg--de~Vries equations and supersymmetric structure of~the sine-Gordon and Liouville equations %J Teoretičeskaâ i matematičeskaâ fizika %D 1990 %P 376-387 %V 85 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1990_85_3_a3/ %G ru %F TMF_1990_85_3_a3