International Symposium on Multivariate Approximation theory.International Symposium on Multivariate Approximation theory(3rd : 1982 : Black Forest)：Multivariate approximation theory II; proceedings of the conference．V.2.Birkhauser Verlag,1982.
International Symposium on Multivariate Approximation theory(3rd : 1982 : Black Forest)：Multivariate approximation theory II; proceedings of the conference．V.2
International Symposium on Multivariate Approximation theory.Birkhauser Verlag,1982.
Walter]]Karl Schempp]]Zeller,International Symposium on Multivariate Approximation Theory.International Symposium on Multivariate Approximation Theory (1979 : Black Forest)：Multivariate approximation theory; proceedings of the Conference.Birkhauser Verlag,1979.
