APA (7th ed.) Citation

Donner, K. (1982). Extension of positive operators and Korovkin theorems. Springer-Verlag.

Chicago Style (17th ed.) Citation

Donner, Klaus. Extension of Positive Operators and Korovkin Theorems. Berlin ; New York: Springer-Verlag, 1982.

MLA (9th ed.) Citation

Donner, Klaus. Extension of Positive Operators and Korovkin Theorems. Springer-Verlag, 1982.