Linear Methods of Applied Mathematics
Orthogonal series, boundary-value problems, and integral operators
Evans M. Harrell II and
James V. Herod
(c) Copyright 1994,1995,1996,1997 by Evans M. Harrell
II and James V. Herod. All rights reserved.
Here are some external links to review materials on
ordinary differential equations
A course by
Robert Israel at the University of British Columbia
A course by
Robert Devaney at Boston University
The Math Forum's page with
other classroom materials