| 2004 | ||
|---|---|---|
| 2 | Sven Hartmann, Ulrike Schumacher: Orthogonal double covers of general graphs. Discrete Applied Mathematics 138(1-2): 107-116 (2004) | |
| 1999 | ||
| 1 | Ulrike Schumacher: Suborthogonal Double Covers of the Complete Graph by Stars. Discrete Applied Mathematics 95(1-3): 439-444 (1999) | |
| 1 | Sven Hartmann | [2] |