por Lancaster, Peter, 1929- [autor] | Salkauskas, Kestutis [autor].
por Davis, Philip J, 1923- [autor].
por International Conference on Multivariate Approximation Theory (2 : 1996 : Witten-Bommerholz, Alemania) | Haussmann, Werner, 1941- [editor] | Jetter, Kurt [editor] | Reimer, Manfred, 1933- [editor].