Severino, Ricardo; Sharkovsky, Alexander; Sousa Ramos, José; Vinagre, Sandra Symbolic dynamics in boundary value problem for systems with two spatial variables. (English) Zbl 1132.35056 Grazer Math. Ber. 350, 210-224 (2006). MSC: 35L50 37L40 37B10 37E05 × Cite Format Result Cite Review PDF
Grácio, Clara; Sousa Ramos, José Spectrum of the Laplacian on hyperbolic surfaces. (English) Zbl 1139.58023 Grazer Math. Ber. 350, 122-134 (2006). Reviewer: Peter B. Gilkey (Eugene) MSC: 58J50 35J05 37B10 × Cite Format Result Cite Review PDF