Mathematical Inequalities & Applications · Volume 23, Issue 2 An inequality involving a triangle and an interior point and its application 23-59 Pages 713-717 DOI 10.7153/mia-2020-23-59 Downloads Short PDF Full PDF PNG Authors Tatyana Sorokina Shangyou Zhang Keywords triangle interior point inequality product of cosines finite element harmonic Clough-Tocher Subject classes 51N20 65N30