1. Buckling of spherical shells;Kaplan,1974
2. Interaction of critical pressures and critical concentrated loads acting on shallow spherical shells;Loo;J. Appl. Mech.,1966
3. Solutions of some stability problems in the theory of geometrically non-linear shells;Shilkrut;Israel J. Techn.,1980
4. Asymmetrical bifurcation phenomenon in geometrically non-linear spherical caps subjected to multiparametrical loading;Shilkrut;Thin-Walled Structures,1986
5. Novozilov, V., 1958, Theory of Elasticity, Sudpromgiz (in Russian).