1. On the Theory of Thin Elastic Toroidal Shells;Clark;Journal of Mathematics and Physics,1950
2. 33
3. Asymptotic Solutions of ordinary linear differential Equations of the second Order;Imai;Letter in Phys. Rev.,1950
4. Zur Berechnungen von Torusschalen;Gran Olsson;Proceedings of the Eighth International Congress on Theoretical and Applied Mechanics,1952