%0 Journal Article %A V. V. Zharinov %T On B\"acklund correspondences %J Sbornik. Mathematics %D 1989 %P 277-293 %V 64 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1989_64_1_a16/ %G en %F SM_1989_64_1_a16