%0 Journal Article %A Qingying Deng %A Xian'an Jin %A Fengming Dong %A Eng Guan Tay %T Even subgraph expansions for the flow polynomial of planar graphs with maximum degree at most 4 %J The electronic journal of combinatorics %D 2018 %V 25 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/7411/ %R 10.37236/7411 %F 10_37236_7411