@article{SJVM_2020_23_2_a1,
     author = {N. I. Gorbenko and V. P. Il'in and A. M. Krylov and L. L. Frumin},
     title = {The numerical solution of the direct {Zakharov--Shabat} scattering problem},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {117--125},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2020_23_2_a1/}
}