http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
an updated and annotated translation of the Soviet "Mathematical encyclopaedia"
Matematicheskai︠a︡ ėnt︠s︡iklopedii︠a︡. English
"Originally published by Kluwer Academic Publishers in 1995. Softcover reprint of the hardcover 1st edition 1995."