TY - DATA AU - P. L. Butzer; R. L. Stens; B. Sz.-Nagy TI - Anniversary Volume on Approximation Theory and Functional Analysis SN - 9783034854320 PY - 1984/// PB - Birkhäuser Basel KW - Mathematics and Statistics UR - https://doi.org/10.1007/978-3-0348-5432-0 ER -