| 34-XX |
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Ordinary differential equations |
|
34Exx |
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Asymptotic theory |
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34E05 |
Asymptotic expansions |
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34E10 |
Perturbations, asymptotics |
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34E13 |
Multiple scale methods |
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34E15 |
Singular perturbations, general theory |
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34E18 |
Methods of nonstandard analysis |
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34E20 |
Singular perturbations, turning point theory, WKB methods |
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34E99 |
None of the above, but in this section |