@article{IVM_2013_7_a2,
     author = {A. K. Rybnikov},
     title = {An affine interpretation of {B\"acklund} maps},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {31--44},
     publisher = {mathdoc},
     number = {7},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2013_7_a2/}
}