The following publications are possibly variants of this publication:
- The restricted Chinese postman problems with penaltiesHongtao Zhu, Pengxiang Pan. orl, 49(6):851-854, 2021. [doi]
- An Approximation Algorithm for Solving the Heterogeneous Chinese Postman ProblemJianping Li, Lijian Cai, Junran Lichen, Pengxiang Pan, Wencheng Wang, Suding Liu. AAIM 2021: 38-46 [doi]
- Approximation algorithms for solving the heterogeneous Chinese postman problemJianping Li, Pengxiang Pan, Junran Lichen, Lijian Cai, Wencheng Wang, Suding Liu. jco, 45(1):17, 2023. [doi]