TY - JOUR AU - A. F. Zubova TI - An investigation of the oscillations of beams of variable cross section JO - Differencialʹnye uravneniâ PY - 1978 SP - 1698 EP - 1700 VL - 14 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1978_14_9_a21/ LA - ru ID - DE_1978_14_9_a21 ER -