@article{MZM_2024_116_2_a2,
     author = {V. I. Voytitsky},
     title = {Weakly dissipative linear dynamical systems and a~quadratic {Keldysh} pencil},
     journal = {Matemati\v{c}eskie zametki},
     pages = {195--211},
     publisher = {mathdoc},
     volume = {116},
     number = {2},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2024_116_2_a2/}
}