참고문헌
- Math. Zeitschr v.6 Note on a theorem of Hibert G.H.Hardy
- Inequalities G.H.Hardy;J.E.Littlewood;G.Polya
- J. Math. Anal. Appl. v.223 Some Inequalities Involving the Constant e, and an Applications to Carleman's inequality B.C.Yang;L.Debnath
- J. Math. Anal. Appl. v.240 A Strengthened Carleman's inequality P.Yang;G.Z.Sun