http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nội dung hệ thống hóa các bài tập theo các vấn đề: đại số và giải tích vectơ, đại số tenxơ, hàm biến số phức, các phương trình Vật lí toán