- Symmetry Methods for Diﬀerential Equations. By PETER E. HYDON. CAMBRIDGE UNIVERSITY PRESS. 2000.
- Symmetry and integration methods for diﬀerential equations. By Bluman and Anco. Springer publishing.
- Introduction to symmetry analysis. By Brian J. Cantwell. See page 158 for table of known \(\xi ,\eta \) per ﬁrst ode type.
- Using Lie Symmetry to solve ﬁrst and second order Linear Diﬀerential Equation. Int. J. Adv. Appl. Math. andMech. 7(4) (2020) 91 – 99 (ISSN: 2347-2529).
- Sym Mathematica software package. By Stilianos Dimas and Dimitris Tsoubelis.
- SymmetryAnalysis Mathematica package. By Brian J. Cantwell.
- Maple symgen and related commands in the ODEtools package.
- Computer Algebra Solving of First Order ODEs Using Symmetry Methods. 1996 by Durate, Terrab, Mota. IF-UERJ-27/96
- The Truth About Lie Symmetries: Solving Diﬀerential Equations With Symmetry Methods by Ruth A. Steinhour, 2013.
- Many other references, listed in my links page under computer algebra section.