http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Bogoli︠u︡bov, N. N. (Nikolaĭ Nikolaevich)
Bogoli͡ubov, N. N. (Nikolaĭ Nikolaevich)
World Scientific lecture notes in physics ; v. 4