@article{VTGU_2013_1_a10,
     author = {I. P. Popov},
     title = {Vibration systems consisting only of inert or only elastic elements and the appearance of free harmonic vibrations in them},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {95--103},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2013_1_a10/}
}