Simon, Barry Semiclassical analysis of low lying eigenvalues. I: Non-degenerate minima: Asymptotic expansions. (English) Zbl 0526.35027 Ann. Inst. Henri Poincaré, Sect. A 38, 295-308 (1983). MSC: 35J10 35P05 81Q15 × Cite Format Result Cite Review PDF Full Text: Numdam EuDML
Guerra, Francesco; Rosen, Lon; Simon, Barry Boundary conditions for the \(P(\phi)_2\) Euclidean field theory. (English) Zbl 1495.81067 Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 25, No. 3, 231-334 (1976). MSC: 81T08 82C10 46N50 × Cite Format Result Cite Review PDF Full Text: Link Link
Simon, Barry On the genericity of nonvanishing instability intervals in Hills equation. (English) Zbl 0346.34015 Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 24, 91-93 (1976). MSC: 34L99 34B30 37-XX 47A25 × Cite Format Result Cite Review PDF Full Text: Numdam EuDML