FORMAL ASYMPTOTIC SOLUTIONS OF A CLASS OF ORDINARY DIFFERENTIAL EQUATIONS IN THE NEIGHBORHOOD OF A TURNING POINT

DOI10.1070/SM1985v051n01ABEH002851zbMath0586.34050OpenAlexW2047199851MaRDI QIDQ3712647

L. Yu. Motylev

Publication date: 1985

Published in: Mathematics of the USSR-Sbornik (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/71547

zbMATH Keywords

small parameterturning pointfirst order differential equationFormal asymptotic solutions

Mathematics Subject Classification ID

Transformation and reduction of ordinary differential equations and systems, normal forms (34C20) Singular perturbations, turning point theory, WKB methods for ordinary differential equations (34E20)

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