(1990). Multivariate approximation and interpolation: Proceedings of an international workshop held at the University of Duisburg, August 14 - 18, 1989. Birkhäuser.
Chicago-Zitierstil (17. Ausg.)Multivariate Approximation and Interpolation: Proceedings of an International Workshop Held at the University of Duisburg, August 14 - 18, 1989. Basel u.a: Birkhäuser, 1990.
MLA-Zitierstil (9. Ausg.)Multivariate Approximation and Interpolation: Proceedings of an International Workshop Held at the University of Duisburg, August 14 - 18, 1989. Birkhäuser, 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.