@article{MZM_2022_111_6_a3,
     author = {M. Yu. Ignat'ev},
     title = {On {Scattering} {Data} for {Differential} {Systems} with a {Singularity}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {846--863},
     publisher = {mathdoc},
     volume = {111},
     number = {6},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2022_111_6_a3/}
}