scientific article; zbMATH DE number 1374495

zbMath0931.34074MaRDI QIDQ4704304

Sobhy El-Sayed Ibrahim

Publication date: 6 December 1999

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

complex coefficientsquasi-derivatives\(n\)th ordergeneral ordinary quasidifferential equations

Mathematics Subject Classification ID

General theory of ordinary differential operators (47E05) Singularities, monodromy and local behavior of solutions to ordinary differential equations in the complex domain, normal forms (34M35) Formal solutions and transform techniques for ordinary differential equations in the complex domain (34M25) Singular perturbation problems for ordinary differential equations in the complex domain (complex WKB, turning points, steepest descent) (34M60)

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