@article{MZM_2023_113_5_a5,
     author = {Kh. K. Ishkin},
     title = {Spectral {Properties} of the {Non-Sectorial} {Sturm--Liouville} {Operator} on the {Semiaxis}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {693--712},
     publisher = {mathdoc},
     volume = {113},
     number = {5},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2023_113_5_a5/}
}