DeVore, R. A. (1972). The aproximation of continuous functions by positive linear operators. Springer.
Chicago Style (17th ed.) CitationDeVore, Ronald A. The Aproximation of Continuous Functions by Positive Linear Operators. Berlin: Springer, 1972.
MLA (9th ed.) CitationDeVore, Ronald A. The Aproximation of Continuous Functions by Positive Linear Operators. Springer, 1972.