TY - JOUR AU - I. P. Popov TI - Vibration systems consisting only of inert or only elastic elements and the appearance of free harmonic vibrations in them JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2013 SP - 95 EP - 103 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTGU_2013_1_a10/ LA - ru ID - VTGU_2013_1_a10 ER -