APA (7th ed.) Citation

Butzer, P. L. (1972). Linear operators and approximation: Proceedings of the conference held at the Oberwolfach Mathematical Research Inst., Black Forest .. Birkhäuser.

Chicago Style (17th ed.) Citation

Butzer, Paul L. Linear Operators and Approximation: Proceedings of the Conference Held at the Oberwolfach Mathematical Research Inst., Black Forest .. Stuttgart [u.a.]: Birkhäuser, 1972.

MLA (9th ed.) Citation

Butzer, Paul L. Linear Operators and Approximation: Proceedings of the Conference Held at the Oberwolfach Mathematical Research Inst., Black Forest .. Birkhäuser, 1972.