Best generalization of a Hilbert type inequality. Sun, Baoju — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
A multiple Hilbert-type integral inequality with the best constant factor. Sun, Baoju — 2007 Journal of Inequalities and Applications [electronic only]
On a generalization of Hilbert-type integral inequality. Baoju, Sun — 2008 International Journal of Mathematics and Mathematical Sciences