@article{MZM_2023_114_4_a4,
     author = {A. P. Kosarev and A. A. Shkalikov},
     title = {Asymptotics in the {Spectral} {Parameter} for {Solutions} of $2 \times 2$ {Systems} of {Ordinary} {Differential} {Equations}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {543--562},
     publisher = {mathdoc},
     volume = {114},
     number = {4},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2023_114_4_a4/}
}