http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
based on Schaum's outline of theory and problems of differential equations, second edition, by Richard Bronson
abridgement editor, Erin J. Bredensteiner.
Electronic reproduction. Boulder, Colo. : NetLibrary, 2003. Available via World Wide Web. Access may be limited to NetLibrary affiliated libraries.
Schaum's outline of modern introductory differential equations