The central connection problem at turning points of linear differential equations

DOI10.1007/BF02566828zbMath0211.11001MaRDI QIDQ2544030

Wolfgang Wasow

Publication date: 1971

Published in: Commentarii Mathematici Helvetici (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/139462

Mathematics Subject Classification ID

Linear ordinary differential equations and systems (34A30) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20)

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Studies on doubly asymptotic series solutions for differential equations in unbounded domains, Asymptotic integration of singularly perturbed differential algebraic equations with turning points. I