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@article{MAN_1973__205_162501, author = {Christer Borell}, title = {Complements of {Lyapunov's} {Inequality.}}, journal = {Mathematische Annalen}, pages = {323--332}, publisher = {mathdoc}, volume = {205}, year = {1973}, zbl = {0248.26011}, url = {http://geodesic.mathdoc.fr/item/MAN_1973__205_162501/} }
Christer Borell. Complements of Lyapunov's Inequality.. Mathematische Annalen, Tome 205 (1973), pp. 323-332. http://geodesic.mathdoc.fr/item/MAN_1973__205_162501/