@article{SVMO_2023_25_3_a0,
     author = {E. V. Desyaev and P. A. Shamanaev},
     title = {On periodic solutions of linear inhomogeneous differential equations with a small perturbation at the derivative},
     journal = {\v{Z}urnal Srednevol\v{z}skogo matemati\v{c}eskogo ob\^{s}estva},
     pages = {111--122},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SVMO_2023_25_3_a0/}
}