Hien, V. Q., Thinh, T. I., Cuong, N. M., & Thanh, P. N. (2016). FREE VIBRATION ANALYSIS OF JOINED COMPOSITE CONICAL-CONICAL-CONICAL SHELLS CONTAINING FLUID. <i>Vietnam Journal of Science and Technology</i>, <i>54</i>(5), 650. https://doi.org/10.15625/0866-708X/54/5/7684