| |
| * | 1972 | |
|---|---|---|
| 2 | Ping-Fun Lam: Inverses of Recurrent and Periodic Points under Homomorphisms of Dynamical Systems. Mathematical Systems Theory 6(1): 26-36 (1972) | |
| 1970 | ||
| 1 | Ping-Fun Lam: Homomorphisms of Expansive Transformation Groups. Mathematical Systems Theory 4(3): 249-256 (1970) | |