CYCLIC INEQUALITY BY PHAN NGOC CHAU, CYCLIC INEQUALITY BY PHAN NGOC CHAU-2, CYCLIC INEQUALITY BY PHAN NGOC CHAU-3, CYCLIC INEQUALITY BY PHAN NGOC CHAU-4, CYCLIC INEQUALITY BY PHAN NGOC CHAU-5, CYCLIC INEQUALITY BY PHAN NGOC CHAU-6
Romanian Mathematical Magazine