Buldyrev, V. S.; Grigor’eva, N. S. Two-scale decompositions of quasi-normal waves in irregular refractive wave guides and an estimation of their applicability for high frequencies. (Russian) Zbl 0478.35031 Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 78-97 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 1 Document MSC: 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation 35C99 Representations of solutions to partial differential equations 78A40 Waves and radiation in optics and electromagnetic theory Keywords:two-scales expansions; waveguide propagation; refractive index PDF BibTeX XML Cite \textit{V. S. Buldyrev} and \textit{N. S. Grigor'eva}, Zap. Nauchn. Semin. Leningr. Otd. Mat. Inst. Steklova 117, 78--97 (1981; Zbl 0478.35031) Full Text: EuDML