| 其他書名 | Communications, Faculty of Sciences, University of Ankara. Series A1, Mathematics and Statistics. Mathematics and statistics. Series A1 |
| 出版 | Faculté des sciences de l'Université d'Ankara, 1997 |
| URL | http://books.google.com.hk/books?id=Y_uFAAAAIAAJ&hl=&source=gbs_api |