On the critical values of Burr's problem. - Xiao-Hui Yan; Bing-Ling Wu (Eur. J. Comb., 2021)

On the denominators of harmonic numbers, III. - Xiao-Hui Yan; Bing-Ling Wu (Period. Math. Hung., 2023)

Two problems on subset sums. - Xing-Wang Jiang; Bing-Ling Wu (Eur. J. Comb., 2024)