TY - JOUR AU - V. I. Gorbachev TI - Eigenfrequencies of longitudinal oscillations for an inhomogeneous rod with variable cross section JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 2016 SP - 31 EP - 39 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_2016_1_a4/ LA - ru ID - VMUMM_2016_1_a4 ER -