| |
| 1992 | ||
|---|---|---|
| 2 | EE | Robert James Douglas: NP-completeness and degree restricted spanning trees. Discrete Mathematics 105(1-3): 41-47 (1992) |
| 1977 | ||
| 1 | EE | Robert James Douglas: The maximum number of Kj-subgraphs in a graph with k independent edges. J. Comb. Theory, Ser. B 23(2-3): 258-261 (1977) |