Zeuthen Symposium Mathematical Institute of the University of Copenhagen, Statens naturvidenskabelige forskningsrad, Kleiman, S. L., & Thorup, A. (1991). Enumerative algebraic geometry: Proceedings of the 1989 Zeuthen symposium. American Mathematical Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Zeuthen Symposium Mathematical Institute of the University of Copenhagen, Statens naturvidenskabelige forskningsrad, Steven L. Kleiman, και Anders Thorup. Enumerative Algebraic Geometry: Proceedings of the 1989 Zeuthen Symposium. Providence, Rhode island: American Mathematical Society, 1991.
Παραπομπή σε μορφή MLA (9th εκδ.)Zeuthen Symposium Mathematical Institute of the University of Copenhagen, et al. Enumerative Algebraic Geometry: Proceedings of the 1989 Zeuthen Symposium. American Mathematical Society, 1991.