An inequality on ternary quadratic forms in triangles. Hu, Nu-Chun — 2009 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

The best constants for a double inequality in a triangle. Wu, Yu-Dong; Hu, Nu-Chun; Kuang, Wei-Ping — 2009 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]