@article{VTGU_2021_72_a9,
     author = {I. P. Popov},
     title = {Symbolic representation of forced oscillations of branched mechanical systems},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {118--130},
     year = {2021},
     number = {72},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2021_72_a9/}
}