scientific article; zbMATH DE number 3503652

Publication date: 1975

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

Functional equations in the complex plane, iteration and composition of analytic functions of one complex variable (30D05) Linear ordinary differential equations and systems (34A30) Ordinary differential equations in the complex domain (34M99) Singular perturbations for ordinary differential equations (34E15) Asymptotic expansions of solutions to ordinary differential equations (34E05) Ordinary differential operators (34L99) Research exposition (monographs, survey articles) pertaining to ordinary differential equations (34-02)

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