@article{VTAMU_2021_26_134_a5,
     author = {V. I. Uskov},
     title = {Study of rigidity of a first-order algebro-differential system with perturbation in the right-hand side},
     journal = {Vestnik rossijskih universitetov. Matematika},
     pages = {172--181},
     publisher = {mathdoc},
     volume = {26},
     number = {134},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTAMU_2021_26_134_a5/}
}