APA (7th ed.) Citation

Gu, C. (1987). A class of boundary problems for extremal surfaces of mixed type in Minkowski 3 space. Sonderforschungsbereich 123.

Chicago Style (17th ed.) Citation

Gu, Chaohao. A Class of Boundary Problems for Extremal Surfaces of Mixed Type in Minkowski 3 Space. Heidelberg: Sonderforschungsbereich 123, 1987.

MLA (9th ed.) Citation

Gu, Chaohao. A Class of Boundary Problems for Extremal Surfaces of Mixed Type in Minkowski 3 Space. Sonderforschungsbereich 123, 1987.