Formal power series
Formal Power Series and Linear Systems of Meromorphic Ordinary Differential Equations (Universitext) : Balser, Werner: Amazon.es: Libros
Roots xk (y) of a formal power series f(x, y) = ∑ an(y)x with applications to graph enumeration and q-series
FORMAL POWER SERIES - MathDL
How to prove this: A sequence is defined by U1=1, U2=1, and Un+2=Un+1 + Un, prove that Un= ((1+√5) ^n-(1-√5) ^n) / (2^n*√5) - Quora
Formal power series - Wikipedia
linear algebra - Origin and use of an identity of formal power series: $\det(1 - \psi T) = \exp \left(-\sum_{s=1}^{\infty} \text{Tr}(\psi^{s})T^{s}/s\right)$ - Mathematics Stack Exchange
Formal power series and non/homogeneous recurrence relations | Physics Forums
Power series - Wikipedia
Formal Power Series and Algebraic Combinatorics: 12th International Conference, FPSAC'00, Moscow, Russia, June 2000, Proceedings: Krob, Daniel, Mikhalev, Alexander A., Mikhalev, Alexander V.: 9783540672470: Amazon.com: Books
Automata-Theoretic Aspects of Formal Power Series | SpringerLink
combinatorics - Taking the logarithm of a formal power series definition - Mathematics Stack Exchange
Fast Algorithms for Manipulating Formal Power Series | Journal of the ACM
definition - What does it mean for a formal power series to be "well-defined"? - Mathematics Stack Exchange
陶哲轩实分析：4.1 形式幂级数（Formal power series） - 知乎
POWER SERIES — A BRIEF SUMMARY 1. The basic definitions Weierstrass approached complex variable using power series. It is the
Roots x (y) of a formal power series f(x, y) = ∑ an(y)x , with applications to graph enumeration and q-series
hypergeometric functions - Closed-form for modified formal power series - MathOverflow
Formal power series
Formal Power Series and Linear Systems of Meromorphic Ordinary Differential Equations (Universitext) (Paperback) | Bookshop Santa Cruz
Formal Power Series -- from Wolfram MathWorld
Formal power series
Formal power series - Wikipedia
Solved Define the following two formal power series: x2 | Chegg.com
