New strengthened Jordan's inequality and its applications. - Lokenath Debnath; Chang-Jian Zhao (Appl. Math. Lett., 2003)

Positive periodic solutions of a delayed model in population. - Chang-Jian Zhao; Lokenath Debnath; Ke Wang (Appl. Math. Lett., 2003)

Some new Brunn-Minkowski-type inequalities in convex bodies. - Chang-Jian Zhao; Song Leng Gang; Lokenath Debnath (Int. J. Math. Math. Sci., 2005)

On Dresher's inequalities for width-integrals. - Chang-Jian Zhao (Appl. Math. Lett., 2012)

On Opial-type inequalities with higher order partial derivatives. - Chang-Jian Zhao; Wing-Sum Cheung (Appl. Math. Lett., 2012)

On mixed discriminants of positively definite matrix. - Chang-Jian Zhao; Xiao-Yan Li (Ars Math. Contemp., 2015)

The mixed conformable partial derivatives. - Chang-Jian Zhao; Wing-Sum Cheung (Period. Math. Hung., 2021)

Hilbert's inequalities with alternating signs. - Chang-Jian Zhao; Wing-Sum Cheung (Period. Math. Hung., 2022)