1. On several new inequalities;Zhao;Chinese Quarterly Journal of Mathematics,2001
2. Analytic Inequalities;Mitrinovic,1970
3. Generalization and strengthen of Yang Le inequality;Zhao;Mathematics in Practice and Theory,2000
4. Generalization on two new Hilbert type inequalities;Zhao;J. Math. (PRC),2000
5. Inequalities;Beckenbach,1961