http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Cơ sở lý thuyết hàm và giải tích hàm; T1
A N Kolmogorov, S V Fomine; Dịch giả: Trần Tráng, Trần Phúc Cương