| 其他書名 | Proceedings of the 5th Nordic Summer School in Mathematics Oslo, August 5-25, 1970 : Proceedings of the 5th Nordic Summer School in Mathematics Oslo, August : 5-25, 1970 |
| 出版 | Wolters-Noordhoff, 1972 |
| URL | http://books.google.com.hk/books?id=KaBkngEACAAJ&hl=&source=gbs_api |