Journal of Mathematical Inequalities · Volume 15, Issue 4 Proof of a double inequality in triangles 15-92 Pages 1361-1374 DOI 10.7153/jmi-2021-15-92 Downloads Short PDF Full PDF PNG Authors Jian Liu Keywords triangle Euler's inequality Gerretsen's inequality Sondat's inequality Ciamberlini's inequality Walker's inequality Subject classes 51M16
