1. S. A. Ambartsumyan, Theory of Anisotropic Shells [in Russian], Fizmatgiz, Moscow (1961).
2. A. L. Gol'denveizer, Theory of Elastic Thin Shells [in Russian], GITTL, Moscow (1953).
3. A. N. Guz', ?Stressed state of conical shell weakened by a circular hole,? Inzh. Zh.,5, No. 3 (1965).
4. A. N. Guz', ?Stress concentration around holes in thin shells (Survey),? Prikl. Mekh.,5, No. 3 (1969).
5. A. N. Guz', I. S. Chernyshenko, and K. I. Shnerenko, Spherical Floors Weakened by Holes [in Russian], Naukova Dumka, Kiev (1970).