| 2008 | 
|---|
| 5 | EE | Haihui Zhang,
Zhiren Sun:
On 3-choosability of planar graphs without certain cycles.
Inf. Process. Lett. 107(3-4): 102-106 (2008) | 
| 2006 | 
|---|
| 4 |  | Haihui Zhang,
Baogang Xu,
Zhiren Sun:
Every Plane Graph with Girth at least 4 without 8- and 9-circuits is 3-Choosable.
Ars Comb. 80:  (2006) | 
| 2001 | 
|---|
| 3 |  | Zhiren Sun,
Feng Tian,
Bing Wei:
Degree Sums, Connectivity and Dominating Cycles in Graphs.
Graphs and Combinatorics 17(3): 555-564 (2001) | 
| 2 | EE | Zhiren Sun,
Feng Tian,
Bing Wei:
Long Cycles Passing Through a Specified Edge in 3-Connected Graphs.
Graphs and Combinatorics 17(3): 565-577 (2001) | 
| 1998 | 
|---|
| 1 | EE | Hao Li,
Mei Lu,
Zhiren Sun:
Hamiltonicity in 2-connected graphs with claws.
Discrete Mathematics 183(1-3): 223-236 (1998) |