@article{TMF_2000_122_1_a8,
     author = {M. Nieszporski and A. Sym},
     title = {B\"acklund transformations for hyperbolic surfaces in $E^3$ via {Weingarten} congruences},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {102--117},
     publisher = {mathdoc},
     volume = {122},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2000_122_1_a8/}
}