@article{VMUMM_2022_2_a5,
     author = {D. I. Bugrov and M. I. Bugrova},
     title = {Variation of the size of reachable region of second-order linear system},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {47--52},
     year = {2022},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2022_2_a5/}
}