1. Plastic instability of a spherical shell;Leckie,1967
2. Lukasiewicz, S.A., Geometrical Elements Method for the Solution of Nonlinear Shell Problems, Rept. No. 268, Dept. of Mechanical Engineering, Univ. of Calgary, Canada
3. An Elasto-Plastic Behaviour of the Double-Curved Shell Under Concentrated Load;Lukasiewicz,1985
4. Geometrical methods in the nonlinear theory of shells;Lukasiewicz,1974