http://192.168.1.231:8080/dulieusoDIGITAL_123456789/13390| Title: | Annals of Discrete Mathematics (11) |
| Authors: | P. Hansen |
| Issue Date: | 1981 |
| Publisher: | North-Holland |
| URI: | https://www.sciencedirect.com/science/bookseries/03040208/59 http://192.168.1.231:8080/dulieusoDIGITAL_123456789/13390 |
| Appears in Collections: | Khoa học Tự nhiên |
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