@article{ZNSL_2020_494_a0,
     author = {N. M. Belousov},
     title = {Backlund transformation for the nonlinear {Schrodinger} equation},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--22},
     publisher = {mathdoc},
     volume = {494},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2020_494_a0/}
}