1. Postbuckling theory;Hutchinson;Appl. Mech. Rev.,1970
2. Shell stability;Babcock;J. Appl. Mech.,1983
3. Bucking and postbuckling of imperfect cylindrical shells;Simitses;Appl. Mech. Rev.,1986
4. G.N. Savin, Stress distribution around holes, Kiev 1968. also English translation, NASA TT F-607, 1970.