Quanqing Li, Xian Wu. n. Appl. Math. Lett., 30:24-27, 2014. [doi]
@article{LiW14-3,
title = {n},
author = {Quanqing Li and Xian Wu},
year = {2014},
doi = {10.1016/j.aml.2013.12.002},
url = {http://dx.doi.org/10.1016/j.aml.2013.12.002},
researchr = {https://researchr.org/publication/LiW14-3},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {30},
pages = {24-27},
}