Cita APA (7a ed.)

Schempp, W., & Zeller, K. (1979). Multivariate approximation theory. Birkhauser.

Cita Chicago Style (17a ed.)

Schempp, Walter, y Karl Zeller. Multivariate Approximation Theory. Birkhauser, 1979.

Cita MLA (9a ed.)

Schempp, Walter, y Karl Zeller. Multivariate Approximation Theory. Birkhauser, 1979.