@article{SM_1989_64_1_a16,
     author = {V. V. Zharinov},
     title = {On {B\"acklund} correspondences},
     journal = {Sbornik. Mathematics},
     pages = {277--293},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1989_64_1_a16/}
}