Books by William F. Trench:
![[Info]](https://onlinebooks.library.upenn.edu/info.gif)
Trench, William F., 1931-: Elementary Differential Equations (free online edition, 2013) (PDF and LaTeX at trinity.edu)- Trench, William F., 1931-: Elementary Differential Equations With Boundary Value Problems (free online edition, 2013) (PDF and LaTeX at trinity.edu)
- Trench, William F., 1931-: Introduction to Real Analysis (updated electronic edition, with supplements "Functions Defined by Improper Integrals" and "The Method of Lagrange Multipliers"; c2012) (PDF and LaTeX files at trinity.edu)
- Trench, William F., 1931-: Student Solutions Manual for Elementary Differential Equations and Elementary Differential Equations With Boundary Value Problems (free online edition, originally published 2000) (PDF at trinity.edu)
Additional books by William F. Trench in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Trench, William F., 1931-: Elementary differential equations with boundary value problems (Brooks/Cole-Thomson Learning, 2001) (page images at HathiTrust)
Find more by William F. Trench at your library, or elsewhere.