@Article{NM-14-193,
author = { J. Liu},
title = {Inverse scattering problems by singular source methods},
journal = {Numerical Mathematics, a Journal of Chinese Universities},
year = {2005},
volume = {14},
number = {3},
pages = {193--207},
abstract = {},
issn = {},
doi = {https://doi.org/},
url = {http://global-sci.org/intro/article_detail/nm/8006.html}
}