1. Perturbation Methods in Fluid Dynamics;Van Dyke,1964
2. A multiple scale solution for circular cylindrical shells;Stafford;Int. J. Solids Struct.,1969
3. Problems in singular perturbation theory;Cochran,1964
4. Uniformly valid asymptotic approximations for certain nonlinear differential equations;Cole,1963
5. On asymptotic integration in shell theory;Hildebrand,1949