http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nonlinear partial differential equations of second order
Fei xian xing er jie pian wei fen fang cheng. Αγγλικά
Τίτλος πρωτοτύπου : Fei xian xing er jie pian wei fen fang cheng.
Translations of mathematical monographs 95