Berg, Imme van den.
Nonstandard asymptotic analysis / Imme van den Berg. - Berlin : Springer -Verlag, 1987. - ix, 187 p. : ill. - Lecture notes in mathematics, no.1249. . - Lecture notes in mathematics (Springer- Verlag), no.1249. .
Asymptotic expansions.
Differential equations-Asymptotic theory.
Nonstandard asymptotic analysis / Imme van den Berg. - Berlin : Springer -Verlag, 1987. - ix, 187 p. : ill. - Lecture notes in mathematics, no.1249. . - Lecture notes in mathematics (Springer- Verlag), no.1249. .
Asymptotic expansions.
Differential equations-Asymptotic theory.