1. Chien Wei-zang and Zheng Se-liang, “Complex Equations for Axial Symmetrical Circular Ring Shell and the General Solution of Axial Symmetrical Slender Ring Shell”,Journal of Tsing Hua University, Vol. 19, No. 1, pp. 27–47 (1979).
2. Chien Wei-zang, “The Problem of Convergence of Power Series Solution for Axial Symmetrical Circular Ring Shell”,Journal of Lanchow University (Mechanics) (1979).
3. O. Perron, Die Lehre von den Kettenbrüchen, Chapter 7 (1950) Springer-Verlage.
4. В.В. Новожилов, Theory of Thin Shells, Translated by Peking Institute of Petroleum, Science Publications (1951).