Search and Browse the MSC 2000
34E05
Asymptotic expansions → ZMATH
34E10
Perturbations, asymptotics → ZMATH
34E13
Multiple scale methods → ZMATH
34E15
Singular perturbations, general theory → ZMATH
34E18
Methods of nonstandard analysis → ZMATH
34E20
Singular perturbations, turning point theory, WKB methods → ZMATH
34E99
None of the above, but in this section → ZMATH