Jiaqing Huang Liang Wang Wenqing Cheng Hui Li Polynomial Time Construction Algorithm of BCNC for Network Coding in Cyclic Networks. 228-233 2009 ACIS-ICIS https://doi.org/10.1109/ICIS.2009.52 https://doi.ieeecomputersociety.org/10.1109/ICIS.2009.52 conf/ACISicis/2009 db/conf/ACISicis/ACISicis2009.html#HuangWCL09