| |
| 1993 | ||
|---|---|---|
| 3 | EE | James E. Simpson: A bipartite Erdös-Ko-Rado theorem. Discrete Mathematics 113(1-3): 277-280 (1993) |
| 1987 | ||
| 2 | EE | James E. Simpson: A note on perfect systems of difference sets. Discrete Mathematics 63(1): 109-110 (1987) |
| 1983 | ||
| 1 | EE | James E. Simpson: Langford sequences: perfect and hooked. Discrete Mathematics 44(1): 97-104 (1983) |