Zhenhai Liu, Stanislaw Migórski. A note on a paper by Su Ke and He Zhen. Appl. Math. Lett., 22(1):56-57, 2009. [doi]
@article{LiuS09:1,
title = {A note on a paper by Su Ke and He Zhen},
author = {Zhenhai Liu and Stanislaw Migórski},
year = {2009},
doi = {10.1016/j.aml.2008.02.004},
url = {http://dx.doi.org/10.1016/j.aml.2008.02.004},
researchr = {https://researchr.org/publication/LiuS09%3A1},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {22},
number = {1},
pages = {56-57},
}