@incollection{Wu12,
author = {Ai-Dong Bao and Shi-Shu Wu},
title = {Topological Singularity of Fermion Current in Abelian Gauge Theory},
booktitle = {Advances in Quantum Field Theory},
publisher = {IntechOpen},
address = {Rijeka},
year = {2012},
editor = {Sergey Ketov},
chapter = {9},
doi = {10.5772/35906},
url = {https://doi.org/10.5772/35906}
}