Mathematical Inequalities & Applications · Volume 13, Issue 4 Refined generalizations of the triangle inequality on Banach spaces 13-52 Pages 733-741 DOI 10.7153/mia-13-52 Downloads Short PDF Full PDF PNG Authors Sin-Ei Takahasi John M. Rassias Saburou Saitoh Yasuji Takahashi Keywords inequalities triangle inequalities Banach spaces Euler-Lagrange type identity Hua's inequality Subject classes 26D15 26D20