%0 Journal Article %A N. M. Belousov %T Backlund transformation for the nonlinear Schrodinger equation %J Zapiski Nauchnykh Seminarov POMI %D 2020 %P 5-22 %V 494 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2020_494_a0/ %G ru %F ZNSL_2020_494_a0