Geometry Symposium : proceedings of a symposium held at the University of Utrecht, the Netherlands, August 27-29, 1980 /
edited by E. Looijenga, D. Siersma, and F. Takens.
- Springer-Verlag, 1981.
- 153 p. : ill. ; 24 cm.
- Lecture notes in mathematics ; 894 .
- Lecture notes in mathematics (Springer-Verlag) ; 894. .