TY - JOUR AU - Stanko Brčić TI - Undamped vibrations of elastic thin-walled beams of open deformable cross section JO - Theoretical and applied mechanics PY - 1976 SP - 7 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_1976_2_1_a1/ LA - en ID - TAM_1976_2_1_a1 ER -