| |
| 1992 | ||
|---|---|---|
| 2 | EE | Margit Christiansen, Jesper Lützen, Gert Sabidussi, Bjarne Toft: Julius Petersen annotated bibliography. Discrete Mathematics 100(1-3): 83-97 (1992) |
| 1 | EE | Jesper Lützen, Gert Sabidussi, Bjarne Toft: Julius Petersen 1839-1910 a biography. Discrete Mathematics 100(1-3): 9-82 (1992) |
| 1 | Margit Christiansen | [2] |
| 2 | Gert Sabidussi | [1] [2] |
| 3 | Bjarne Toft | [1] [2] |