1. Stresses in Shells;Flügge,1966
2. Free vibrations of rotationally symmetric shells;Kalnins;Journal of the Acoustical Society of America,1964
3. On nonsymmetric dynamic problems of elastic spherical shells;Wilkinson;Journal of Applied Mechanics, Transactions of the American Society of Mechanical Engineers, Series E,1965
4. Schalendynamisches Verhalten des kugelförmigen Containments eines Siedewasserreaktors bei Dampfkondensation im Druck-abbausystem;Göller,1979
5. Formulas and Theorems for Special Functions of Mathematical Physics;Magnus,1966